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promotion: don't promote int::MIN / -1

This commit is contained in:
Ralf Jung 2024-02-23 18:00:51 +01:00
parent 8f359beca4
commit f32095cd8d
8 changed files with 265 additions and 734 deletions
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29
compiler/rustc_mir_transform/src/promote_consts.rs
View File

@ -482,17 +482,40 @@ impl<'tcx> Validator<'_, 'tcx> {
match op {
BinOp::Div | BinOp::Rem => {
if lhs_ty.is_integral() {
let sz = lhs_ty.primitive_size(self.tcx);
// Integer division: the RHS must be a non-zero const.
let const_val = match rhs {
let rhs_val = match rhs {
Operand::Constant(c) => {
c.const_.try_eval_bits(self.tcx, self.param_env)
c.const_.try_eval_scalar_int(self.tcx, self.param_env)
}
_ => None,
};
match const_val {
match rhs_val.map(|x| x.try_to_uint(sz).unwrap()) {
// for the zero test, int vs uint does not matter
Some(x) if x != 0 => {} // okay
_ => return Err(Unpromotable), // value not known or 0 -- not okay
}
// Furthermore, for signed divison, we also have to exclude `int::MIN / -1`.
if lhs_ty.is_signed() {
match rhs_val.map(|x| x.try_to_int(sz).unwrap()) {
Some(-1) | None => {
// The RHS is -1 or unknown, so we have to be careful.
// But is the LHS int::MIN?
let lhs_val = match lhs {
Operand::Constant(c) => c
.const_
.try_eval_scalar_int(self.tcx, self.param_env),
_ => None,
};
let lhs_min = sz.signed_int_min();
match lhs_val.map(|x| x.try_to_int(sz).unwrap()) {
Some(x) if x != lhs_min => {} // okay
_ => return Err(Unpromotable), // value not known or int::MIN -- not okay
}
}
_ => {}
}
}
}
}
// The remaining operations can never fail.

4
tests/ui/consts/promote-not.rs
View File

@ -49,6 +49,10 @@ fn main() {
// No promotion of fallible operations.
let _val: &'static _ = &(1/0); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(1/(1-1)); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &((1+1)/(1-1)); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(i32::MIN/-1); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(i32::MIN/(0-1)); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(-128i8/-1); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(1%0); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &(1%(1-1)); //~ ERROR temporary value dropped while borrowed
let _val: &'static _ = &([1,2,3][4]+1); //~ ERROR temporary value dropped while borrowed

64
tests/ui/consts/promote-not.stderr
View File

@ -105,6 +105,50 @@ LL | }
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:52:29
|
LL | let _val: &'static _ = &((1+1)/(1-1));
| ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
| |
| type annotation requires that borrow lasts for `'static`
...
LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:53:29
|
LL | let _val: &'static _ = &(i32::MIN/-1);
| ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
| |
| type annotation requires that borrow lasts for `'static`
...
LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:54:29
|
LL | let _val: &'static _ = &(i32::MIN/(0-1));
| ---------- ^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
| |
| type annotation requires that borrow lasts for `'static`
...
LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:55:29
|
LL | let _val: &'static _ = &(-128i8/-1);
| ---------- ^^^^^^^^^^^ creates a temporary value which is freed while still in use
| |
| type annotation requires that borrow lasts for `'static`
...
LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:56:29
|
LL | let _val: &'static _ = &(1%0);
| ---------- ^^^^^ creates a temporary value which is freed while still in use
| |
@ -114,7 +158,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:53:29
--> $DIR/promote-not.rs:57:29
|
LL | let _val: &'static _ = &(1%(1-1));
| ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use
@ -125,7 +169,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:54:29
--> $DIR/promote-not.rs:58:29
|
LL | let _val: &'static _ = &([1,2,3][4]+1);
| ---------- ^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
@ -136,7 +180,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:57:29
--> $DIR/promote-not.rs:61:29
|
LL | let _val: &'static _ = &TEST_DROP;
| ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use
@ -147,7 +191,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:59:29
--> $DIR/promote-not.rs:63:29
|
LL | let _val: &'static _ = &&TEST_DROP;
| ---------- ^^^^^^^^^^ creates a temporary value which is freed while still in use
@ -158,7 +202,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:59:30
--> $DIR/promote-not.rs:63:30
|
LL | let _val: &'static _ = &&TEST_DROP;
| ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use
@ -169,7 +213,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:62:29
--> $DIR/promote-not.rs:66:29
|
LL | let _val: &'static _ = &(&TEST_DROP,);
| ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
@ -180,7 +224,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:62:31
--> $DIR/promote-not.rs:66:31
|
LL | let _val: &'static _ = &(&TEST_DROP,);
| ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use
@ -191,7 +235,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:65:29
--> $DIR/promote-not.rs:69:29
|
LL | let _val: &'static _ = &[&TEST_DROP; 1];
| ---------- ^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
@ -202,7 +246,7 @@ LL | }
| - temporary value is freed at the end of this statement
error[E0716]: temporary value dropped while borrowed
--> $DIR/promote-not.rs:65:31
--> $DIR/promote-not.rs:69:31
|
LL | let _val: &'static _ = &[&TEST_DROP; 1];
| ---------- ^^^^^^^^^ - temporary value is freed at the end of this statement
@ -210,6 +254,6 @@ LL | let _val: &'static _ = &[&TEST_DROP; 1];
| | creates a temporary value which is freed while still in use
| type annotation requires that borrow lasts for `'static`
error: aborting due to 20 previous errors
error: aborting due to 24 previous errors
For more information about this error, try `rustc --explain E0716`.

5
tests/ui/consts/promotion.rs
View File

@ -28,8 +28,11 @@ fn main() {
// make sure that this does not cause trouble despite overflowing
assert_static(&(0-1));
// div-by-non-0 is okay
// div-by-non-0 (and also not MIN/-1) is okay
assert_static(&(1/1));
assert_static(&(0/1));
assert_static(&(1/-1));
assert_static(&(i32::MIN/1));
assert_static(&(1%1));
// in-bounds array access is okay

263
tests/ui/lint/lint-overflowing-ops.noopt.stderr
View File

@ -876,498 +876,353 @@ error: this operation will panic at runtime
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN / -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:251:15
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:251:14
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:254:14
--> $DIR/lint-overflowing-ops.rs:253:14
|
LL | let _n = 1i16 / 0;
| ^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:255:15
--> $DIR/lint-overflowing-ops.rs:254:15
|
LL | let _n = &(1i16 / 0);
| ^^^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:256:14
--> $DIR/lint-overflowing-ops.rs:255:14
|
LL | let _n = i16::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:257:15
--> $DIR/lint-overflowing-ops.rs:256:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:257:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:257:14
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:260:14
--> $DIR/lint-overflowing-ops.rs:258:14
|
LL | let _n = 1i32 / 0;
| ^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:261:15
--> $DIR/lint-overflowing-ops.rs:259:15
|
LL | let _n = &(1i32 / 0);
| ^^^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:262:14
--> $DIR/lint-overflowing-ops.rs:260:14
|
LL | let _n = i32::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:263:15
--> $DIR/lint-overflowing-ops.rs:261:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:263:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:266:14
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = 1i64 / 0;
| ^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:267:15
--> $DIR/lint-overflowing-ops.rs:264:15
|
LL | let _n = &(1i64 / 0);
| ^^^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:268:14
--> $DIR/lint-overflowing-ops.rs:265:14
|
LL | let _n = i64::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:269:15
--> $DIR/lint-overflowing-ops.rs:266:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:269:14
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:272:14
--> $DIR/lint-overflowing-ops.rs:268:14
|
LL | let _n = 1i128 / 0;
| ^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:273:15
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(1i128 / 0);
| ^^^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:274:14
--> $DIR/lint-overflowing-ops.rs:270:14
|
LL | let _n = i128::MIN / -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:275:15
--> $DIR/lint-overflowing-ops.rs:271:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:275:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:278:14
--> $DIR/lint-overflowing-ops.rs:273:14
|
LL | let _n = 1isize / 0;
| ^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:279:15
--> $DIR/lint-overflowing-ops.rs:274:15
|
LL | let _n = &(1isize / 0);
| ^^^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:280:14
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = isize::MIN / -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:281:15
--> $DIR/lint-overflowing-ops.rs:276:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:281:14
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:286:14
--> $DIR/lint-overflowing-ops.rs:280:14
|
LL | let _n = 1u8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:287:15
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(1u8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:289:14
--> $DIR/lint-overflowing-ops.rs:283:14
|
LL | let _n = 1u16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:290:15
--> $DIR/lint-overflowing-ops.rs:284:15
|
LL | let _n = &(1u16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:292:14
--> $DIR/lint-overflowing-ops.rs:286:14
|
LL | let _n = 1u32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:293:15
--> $DIR/lint-overflowing-ops.rs:287:15
|
LL | let _n = &(1u32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:295:14
--> $DIR/lint-overflowing-ops.rs:289:14
|
LL | let _n = 1u64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:296:15
--> $DIR/lint-overflowing-ops.rs:290:15
|
LL | let _n = &(1u64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:298:14
--> $DIR/lint-overflowing-ops.rs:292:14
|
LL | let _n = 1u128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:299:15
--> $DIR/lint-overflowing-ops.rs:293:15
|
LL | let _n = &(1u128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:301:14
--> $DIR/lint-overflowing-ops.rs:295:14
|
LL | let _n = 1usize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:302:15
--> $DIR/lint-overflowing-ops.rs:296:15
|
LL | let _n = &(1usize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:304:14
--> $DIR/lint-overflowing-ops.rs:298:14
|
LL | let _n = 1i8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:305:15
--> $DIR/lint-overflowing-ops.rs:299:15
|
LL | let _n = &(1i8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:306:14
--> $DIR/lint-overflowing-ops.rs:300:14
|
LL | let _n = i8::MIN % -1;
| ^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:307:15
--> $DIR/lint-overflowing-ops.rs:301:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:307:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:307:14
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:310:14
--> $DIR/lint-overflowing-ops.rs:303:14
|
LL | let _n = 1i16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:311:15
--> $DIR/lint-overflowing-ops.rs:304:15
|
LL | let _n = &(1i16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:312:14
--> $DIR/lint-overflowing-ops.rs:305:14
|
LL | let _n = i16::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:313:15
--> $DIR/lint-overflowing-ops.rs:306:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:313:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:316:14
--> $DIR/lint-overflowing-ops.rs:308:14
|
LL | let _n = 1i32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:317:15
--> $DIR/lint-overflowing-ops.rs:309:15
|
LL | let _n = &(1i32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:318:14
--> $DIR/lint-overflowing-ops.rs:310:14
|
LL | let _n = i32::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:319:15
--> $DIR/lint-overflowing-ops.rs:311:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:319:14
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:322:14
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = 1i64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:323:15
--> $DIR/lint-overflowing-ops.rs:314:15
|
LL | let _n = &(1i64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:324:14
--> $DIR/lint-overflowing-ops.rs:315:14
|
LL | let _n = i64::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:325:15
--> $DIR/lint-overflowing-ops.rs:316:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:325:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:328:14
--> $DIR/lint-overflowing-ops.rs:318:14
|
LL | let _n = 1i128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:329:15
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(1i128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:330:14
--> $DIR/lint-overflowing-ops.rs:320:14
|
LL | let _n = i128::MIN % -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:331:15
--> $DIR/lint-overflowing-ops.rs:321:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:331:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:331:14
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:334:14
--> $DIR/lint-overflowing-ops.rs:323:14
|
LL | let _n = 1isize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:335:15
--> $DIR/lint-overflowing-ops.rs:324:15
|
LL | let _n = &(1isize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:336:14
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = isize::MIN % -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:337:15
--> $DIR/lint-overflowing-ops.rs:326:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:337:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:337:14
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:341:14
--> $DIR/lint-overflowing-ops.rs:329:14
|
LL | let _n = [1, 2, 3][4];
| ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:342:15
--> $DIR/lint-overflowing-ops.rs:330:15
|
LL | let _n = &([1, 2, 3][4]);
| ^^^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: aborting due to 215 previous errors
error: aborting due to 203 previous errors
For more information about this error, try `rustc --explain E0080`.

359
tests/ui/lint/lint-overflowing-ops.opt.stderr
View File

@ -876,594 +876,353 @@ error: this operation will panic at runtime
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN / -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:251:15
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:251:14
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:251:14
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:254:14
--> $DIR/lint-overflowing-ops.rs:253:14
|
LL | let _n = 1i16 / 0;
| ^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:255:15
--> $DIR/lint-overflowing-ops.rs:254:15
|
LL | let _n = &(1i16 / 0);
| ^^^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:256:14
--> $DIR/lint-overflowing-ops.rs:255:14
|
LL | let _n = i16::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:257:15
--> $DIR/lint-overflowing-ops.rs:256:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:257:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:257:14
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:257:14
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:260:14
--> $DIR/lint-overflowing-ops.rs:258:14
|
LL | let _n = 1i32 / 0;
| ^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:261:15
--> $DIR/lint-overflowing-ops.rs:259:15
|
LL | let _n = &(1i32 / 0);
| ^^^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:262:14
--> $DIR/lint-overflowing-ops.rs:260:14
|
LL | let _n = i32::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:263:15
--> $DIR/lint-overflowing-ops.rs:261:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:263:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:266:14
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = 1i64 / 0;
| ^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:267:15
--> $DIR/lint-overflowing-ops.rs:264:15
|
LL | let _n = &(1i64 / 0);
| ^^^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:268:14
--> $DIR/lint-overflowing-ops.rs:265:14
|
LL | let _n = i64::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:269:15
--> $DIR/lint-overflowing-ops.rs:266:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:269:14
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:269:14
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:272:14
--> $DIR/lint-overflowing-ops.rs:268:14
|
LL | let _n = 1i128 / 0;
| ^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:273:15
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(1i128 / 0);
| ^^^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:274:14
--> $DIR/lint-overflowing-ops.rs:270:14
|
LL | let _n = i128::MIN / -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:275:15
--> $DIR/lint-overflowing-ops.rs:271:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:275:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:278:14
--> $DIR/lint-overflowing-ops.rs:273:14
|
LL | let _n = 1isize / 0;
| ^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:279:15
--> $DIR/lint-overflowing-ops.rs:274:15
|
LL | let _n = &(1isize / 0);
| ^^^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:280:14
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = isize::MIN / -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:281:15
--> $DIR/lint-overflowing-ops.rs:276:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:281:14
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:281:14
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:286:14
--> $DIR/lint-overflowing-ops.rs:280:14
|
LL | let _n = 1u8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:287:15
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(1u8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:289:14
--> $DIR/lint-overflowing-ops.rs:283:14
|
LL | let _n = 1u16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:290:15
--> $DIR/lint-overflowing-ops.rs:284:15
|
LL | let _n = &(1u16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:292:14
--> $DIR/lint-overflowing-ops.rs:286:14
|
LL | let _n = 1u32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:293:15
--> $DIR/lint-overflowing-ops.rs:287:15
|
LL | let _n = &(1u32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:295:14
--> $DIR/lint-overflowing-ops.rs:289:14
|
LL | let _n = 1u64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:296:15
--> $DIR/lint-overflowing-ops.rs:290:15
|
LL | let _n = &(1u64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:298:14
--> $DIR/lint-overflowing-ops.rs:292:14
|
LL | let _n = 1u128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:299:15
--> $DIR/lint-overflowing-ops.rs:293:15
|
LL | let _n = &(1u128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:301:14
--> $DIR/lint-overflowing-ops.rs:295:14
|
LL | let _n = 1usize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:302:15
--> $DIR/lint-overflowing-ops.rs:296:15
|
LL | let _n = &(1usize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:304:14
--> $DIR/lint-overflowing-ops.rs:298:14
|
LL | let _n = 1i8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:305:15
--> $DIR/lint-overflowing-ops.rs:299:15
|
LL | let _n = &(1i8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:306:14
--> $DIR/lint-overflowing-ops.rs:300:14
|
LL | let _n = i8::MIN % -1;
| ^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:307:15
--> $DIR/lint-overflowing-ops.rs:301:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:307:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:307:14
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:307:14
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:310:14
--> $DIR/lint-overflowing-ops.rs:303:14
|
LL | let _n = 1i16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:311:15
--> $DIR/lint-overflowing-ops.rs:304:15
|
LL | let _n = &(1i16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:312:14
--> $DIR/lint-overflowing-ops.rs:305:14
|
LL | let _n = i16::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:313:15
--> $DIR/lint-overflowing-ops.rs:306:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:313:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:316:14
--> $DIR/lint-overflowing-ops.rs:308:14
|
LL | let _n = 1i32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:317:15
--> $DIR/lint-overflowing-ops.rs:309:15
|
LL | let _n = &(1i32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:318:14
--> $DIR/lint-overflowing-ops.rs:310:14
|
LL | let _n = i32::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:319:15
--> $DIR/lint-overflowing-ops.rs:311:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:319:14
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:319:14
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:322:14
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = 1i64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:323:15
--> $DIR/lint-overflowing-ops.rs:314:15
|
LL | let _n = &(1i64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:324:14
--> $DIR/lint-overflowing-ops.rs:315:14
|
LL | let _n = i64::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:325:15
--> $DIR/lint-overflowing-ops.rs:316:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:325:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:328:14
--> $DIR/lint-overflowing-ops.rs:318:14
|
LL | let _n = 1i128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:329:15
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(1i128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:330:14
--> $DIR/lint-overflowing-ops.rs:320:14
|
LL | let _n = i128::MIN % -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:331:15
--> $DIR/lint-overflowing-ops.rs:321:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:331:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:331:14
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:331:14
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:334:14
--> $DIR/lint-overflowing-ops.rs:323:14
|
LL | let _n = 1isize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:335:15
--> $DIR/lint-overflowing-ops.rs:324:15
|
LL | let _n = &(1isize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:336:14
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = isize::MIN % -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:337:15
--> $DIR/lint-overflowing-ops.rs:326:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:337:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:337:14
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^^
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:337:14
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:341:14
--> $DIR/lint-overflowing-ops.rs:329:14
|
LL | let _n = [1, 2, 3][4];
| ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:342:15
--> $DIR/lint-overflowing-ops.rs:330:15
|
LL | let _n = &([1, 2, 3][4]);
| ^^^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: aborting due to 215 previous errors
error: aborting due to 203 previous errors
For more information about this error, try `rustc --explain E0080`.

263
tests/ui/lint/lint-overflowing-ops.opt_with_overflow_checks.stderr
View File

@ -876,498 +876,353 @@ error: this operation will panic at runtime
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN / -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:251:15
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:251:14
|
LL | let _n = &(i8::MIN / -1);
| ^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:254:14
--> $DIR/lint-overflowing-ops.rs:253:14
|
LL | let _n = 1i16 / 0;
| ^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:255:15
--> $DIR/lint-overflowing-ops.rs:254:15
|
LL | let _n = &(1i16 / 0);
| ^^^^^^^^^^ attempt to divide `1_i16` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:256:14
--> $DIR/lint-overflowing-ops.rs:255:14
|
LL | let _n = i16::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:257:15
--> $DIR/lint-overflowing-ops.rs:256:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN / -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:257:15
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:257:14
|
LL | let _n = &(i16::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:260:14
--> $DIR/lint-overflowing-ops.rs:258:14
|
LL | let _n = 1i32 / 0;
| ^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:261:15
--> $DIR/lint-overflowing-ops.rs:259:15
|
LL | let _n = &(1i32 / 0);
| ^^^^^^^^^^ attempt to divide `1_i32` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:262:14
--> $DIR/lint-overflowing-ops.rs:260:14
|
LL | let _n = i32::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:263:15
--> $DIR/lint-overflowing-ops.rs:261:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN / -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:263:15
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = &(i32::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:266:14
--> $DIR/lint-overflowing-ops.rs:263:14
|
LL | let _n = 1i64 / 0;
| ^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:267:15
--> $DIR/lint-overflowing-ops.rs:264:15
|
LL | let _n = &(1i64 / 0);
| ^^^^^^^^^^ attempt to divide `1_i64` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:268:14
--> $DIR/lint-overflowing-ops.rs:265:14
|
LL | let _n = i64::MIN / -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:269:15
--> $DIR/lint-overflowing-ops.rs:266:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN / -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:269:14
|
LL | let _n = &(i64::MIN / -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:272:14
--> $DIR/lint-overflowing-ops.rs:268:14
|
LL | let _n = 1i128 / 0;
| ^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:273:15
--> $DIR/lint-overflowing-ops.rs:269:15
|
LL | let _n = &(1i128 / 0);
| ^^^^^^^^^^^ attempt to divide `1_i128` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:274:14
--> $DIR/lint-overflowing-ops.rs:270:14
|
LL | let _n = i128::MIN / -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:275:15
--> $DIR/lint-overflowing-ops.rs:271:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN / -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:275:15
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = &(i128::MIN / -1);
| ^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:278:14
--> $DIR/lint-overflowing-ops.rs:273:14
|
LL | let _n = 1isize / 0;
| ^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:279:15
--> $DIR/lint-overflowing-ops.rs:274:15
|
LL | let _n = &(1isize / 0);
| ^^^^^^^^^^^^ attempt to divide `1_isize` by zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:280:14
--> $DIR/lint-overflowing-ops.rs:275:14
|
LL | let _n = isize::MIN / -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:281:15
--> $DIR/lint-overflowing-ops.rs:276:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN / -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed division (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:281:14
|
LL | let _n = &(isize::MIN / -1);
| ^^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:286:14
--> $DIR/lint-overflowing-ops.rs:280:14
|
LL | let _n = 1u8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:287:15
--> $DIR/lint-overflowing-ops.rs:281:15
|
LL | let _n = &(1u8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_u8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:289:14
--> $DIR/lint-overflowing-ops.rs:283:14
|
LL | let _n = 1u16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:290:15
--> $DIR/lint-overflowing-ops.rs:284:15
|
LL | let _n = &(1u16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:292:14
--> $DIR/lint-overflowing-ops.rs:286:14
|
LL | let _n = 1u32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:293:15
--> $DIR/lint-overflowing-ops.rs:287:15
|
LL | let _n = &(1u32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:295:14
--> $DIR/lint-overflowing-ops.rs:289:14
|
LL | let _n = 1u64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:296:15
--> $DIR/lint-overflowing-ops.rs:290:15
|
LL | let _n = &(1u64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_u64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:298:14
--> $DIR/lint-overflowing-ops.rs:292:14
|
LL | let _n = 1u128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:299:15
--> $DIR/lint-overflowing-ops.rs:293:15
|
LL | let _n = &(1u128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_u128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:301:14
--> $DIR/lint-overflowing-ops.rs:295:14
|
LL | let _n = 1usize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:302:15
--> $DIR/lint-overflowing-ops.rs:296:15
|
LL | let _n = &(1usize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_usize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:304:14
--> $DIR/lint-overflowing-ops.rs:298:14
|
LL | let _n = 1i8 % 0;
| ^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:305:15
--> $DIR/lint-overflowing-ops.rs:299:15
|
LL | let _n = &(1i8 % 0);
| ^^^^^^^^^ attempt to calculate the remainder of `1_i8` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:306:14
--> $DIR/lint-overflowing-ops.rs:300:14
|
LL | let _n = i8::MIN % -1;
| ^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:307:15
--> $DIR/lint-overflowing-ops.rs:301:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ attempt to compute `i8::MIN % -1_i8`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:307:15
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:307:14
|
LL | let _n = &(i8::MIN % -1);
| ^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:310:14
--> $DIR/lint-overflowing-ops.rs:303:14
|
LL | let _n = 1i16 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:311:15
--> $DIR/lint-overflowing-ops.rs:304:15
|
LL | let _n = &(1i16 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i16` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:312:14
--> $DIR/lint-overflowing-ops.rs:305:14
|
LL | let _n = i16::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:313:15
--> $DIR/lint-overflowing-ops.rs:306:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i16::MIN % -1_i16`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:313:15
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = &(i16::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:316:14
--> $DIR/lint-overflowing-ops.rs:308:14
|
LL | let _n = 1i32 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:317:15
--> $DIR/lint-overflowing-ops.rs:309:15
|
LL | let _n = &(1i32 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i32` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:318:14
--> $DIR/lint-overflowing-ops.rs:310:14
|
LL | let _n = i32::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:319:15
--> $DIR/lint-overflowing-ops.rs:311:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i32::MIN % -1_i32`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:319:14
|
LL | let _n = &(i32::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:322:14
--> $DIR/lint-overflowing-ops.rs:313:14
|
LL | let _n = 1i64 % 0;
| ^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:323:15
--> $DIR/lint-overflowing-ops.rs:314:15
|
LL | let _n = &(1i64 % 0);
| ^^^^^^^^^^ attempt to calculate the remainder of `1_i64` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:324:14
--> $DIR/lint-overflowing-ops.rs:315:14
|
LL | let _n = i64::MIN % -1;
| ^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:325:15
--> $DIR/lint-overflowing-ops.rs:316:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ attempt to compute `i64::MIN % -1_i64`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:325:15
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = &(i64::MIN % -1);
| ^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:328:14
--> $DIR/lint-overflowing-ops.rs:318:14
|
LL | let _n = 1i128 % 0;
| ^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:329:15
--> $DIR/lint-overflowing-ops.rs:319:15
|
LL | let _n = &(1i128 % 0);
| ^^^^^^^^^^^ attempt to calculate the remainder of `1_i128` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:330:14
--> $DIR/lint-overflowing-ops.rs:320:14
|
LL | let _n = i128::MIN % -1;
| ^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:331:15
--> $DIR/lint-overflowing-ops.rs:321:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ attempt to compute `i128::MIN % -1_i128`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:331:15
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:331:14
|
LL | let _n = &(i128::MIN % -1);
| ^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:334:14
--> $DIR/lint-overflowing-ops.rs:323:14
|
LL | let _n = 1isize % 0;
| ^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:335:15
--> $DIR/lint-overflowing-ops.rs:324:15
|
LL | let _n = &(1isize % 0);
| ^^^^^^^^^^^^ attempt to calculate the remainder of `1_isize` with a divisor of zero
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:336:14
--> $DIR/lint-overflowing-ops.rs:325:14
|
LL | let _n = isize::MIN % -1;
| ^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:337:15
--> $DIR/lint-overflowing-ops.rs:326:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ attempt to compute `isize::MIN % -1_isize`, which would overflow
error[E0080]: evaluation of constant value failed
--> $DIR/lint-overflowing-ops.rs:337:15
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^ overflow in signed remainder (dividing MIN by -1)
note: erroneous constant encountered
--> $DIR/lint-overflowing-ops.rs:337:14
|
LL | let _n = &(isize::MIN % -1);
| ^^^^^^^^^^^^^^^^^^
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:341:14
--> $DIR/lint-overflowing-ops.rs:329:14
|
LL | let _n = [1, 2, 3][4];
| ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: this operation will panic at runtime
--> $DIR/lint-overflowing-ops.rs:342:15
--> $DIR/lint-overflowing-ops.rs:330:15
|
LL | let _n = &([1, 2, 3][4]);
| ^^^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4
error: aborting due to 215 previous errors
error: aborting due to 203 previous errors
For more information about this error, try `rustc --explain E0080`.

12
tests/ui/lint/lint-overflowing-ops.rs
View File

@ -249,37 +249,31 @@ fn main() {
let _n = &(1i8 / 0); //~ ERROR: this operation will panic at runtime
let _n = i8::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(i8::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i16 / 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i16 / 0); //~ ERROR: this operation will panic at runtime
let _n = i16::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(i16::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i32 / 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i32 / 0); //~ ERROR: this operation will panic at runtime
let _n = i32::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(i32::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i64 / 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i64 / 0); //~ ERROR: this operation will panic at runtime
let _n = i64::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(i64::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i128 / 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i128 / 0); //~ ERROR: this operation will panic at runtime
let _n = i128::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(i128::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1isize / 0; //~ ERROR: this operation will panic at runtime
let _n = &(1isize / 0); //~ ERROR: this operation will panic at runtime
let _n = isize::MIN / -1; //~ ERROR: this operation will panic at runtime
let _n = &(isize::MIN / -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
// Modulus
@ -305,37 +299,31 @@ fn main() {
let _n = &(1i8 % 0); //~ ERROR: this operation will panic at runtime
let _n = i8::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(i8::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i16 % 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i16 % 0); //~ ERROR: this operation will panic at runtime
let _n = i16::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(i16::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i32 % 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i32 % 0); //~ ERROR: this operation will panic at runtime
let _n = i32::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(i32::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i64 % 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i64 % 0); //~ ERROR: this operation will panic at runtime
let _n = i64::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(i64::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1i128 % 0; //~ ERROR: this operation will panic at runtime
let _n = &(1i128 % 0); //~ ERROR: this operation will panic at runtime
let _n = i128::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(i128::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
let _n = 1isize % 0; //~ ERROR: this operation will panic at runtime
let _n = &(1isize % 0); //~ ERROR: this operation will panic at runtime
let _n = isize::MIN % -1; //~ ERROR: this operation will panic at runtime
let _n = &(isize::MIN % -1); //~ ERROR: this operation will panic at runtime
//~^ERROR: evaluation of constant value failed
// Out of bounds access
let _n = [1, 2, 3][4]; //~ ERROR: this operation will panic at runtime