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bors 5e842953cc Auto merge of #130052 - khuey:clear-dilocation-after-const-emission, r=michaelwoerister 
Don't leave debug locations for constants sitting on the builder indefinitely

Because constants are currently emitted *before* the prologue, leaving the debug location on the IRBuilder spills onto other instructions in the prologue and messes up both line numbers as well as the point LLVM chooses to be the prologue end.

Example LLVM IR (irrelevant IR elided):
Before:
```
define internal { i64, i64 } `@_ZN3tmp3Foo18var_return_opt_try17he02116165b0fc08cE(ptr` align 8 %self) !dbg !347 { start:
  %self.dbg.spill = alloca [8 x i8], align 8
  %_0 = alloca [16 x i8], align 8
  %residual.dbg.spill = alloca [0 x i8], align 1
    #dbg_declare(ptr %residual.dbg.spill, !353, !DIExpression(), !357)
  store ptr %self, ptr %self.dbg.spill, align 8, !dbg !357
    #dbg_declare(ptr %self.dbg.spill, !350, !DIExpression(), !358)
```
After:
```
define internal { i64, i64 } `@_ZN3tmp3Foo18var_return_opt_try17h00b17d08874ddd90E(ptr` align 8 %self) !dbg !347 { start:
  %self.dbg.spill = alloca [8 x i8], align 8
  %_0 = alloca [16 x i8], align 8
  %residual.dbg.spill = alloca [0 x i8], align 1
    #dbg_declare(ptr %residual.dbg.spill, !353, !DIExpression(), !357)
  store ptr %self, ptr %self.dbg.spill, align 8
    #dbg_declare(ptr %self.dbg.spill, !350, !DIExpression(), !358)
```
Note in particular how !357 from %residual.dbg.spill's dbg_declare no longer falls through onto the store to %self.dbg.spill. This fixes argument values at entry when the constant is a ZST (e.g. `<Option as Try>::Residual`). This fixes #130003 (but note that it does *not* fix issues with argument values and non-ZST constants, which emit their own stores that have debug info on them, like #128945).

r? `@michaelwoerister`
 		2024-09-13 08:57:41 +00:00
..
auxiliary [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
associated-types.rs Fixup tests 2024-08-18 17:41:01 -04:00
basic-types-globals-metadata.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
basic-types-globals.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
basic-types-metadata.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
basic-types-mut-globals.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
basic-types.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-basic.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-c-style-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-tuple.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
borrowed-unique-basic.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
box.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
boxed-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
by-value-non-immediate-argument.rs Upgrade CI's mingw-w64 toolchain 2024-09-01 12:37:26 +02:00
by-value-self-argument-in-trait-impl.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
c-style-enum-in-composite.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
c-style-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
captured-fields-1.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
captured-fields-2.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
closure-in-generic-function.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
collapse-debuginfo-external-attr.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-external-flag-overriden-by-attr.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-external-flag.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-in-non-collapse-macro.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-no-attr.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-static-external.rs Add debuginfo tests for collapse_debuginfo for statics. 2024-06-13 16:04:31 +02:00
collapse-debuginfo-static.rs Add debuginfo tests for collapse_debuginfo for statics. 2024-06-13 16:04:31 +02:00
collapse-debuginfo-with-attr-flag.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-with-attr.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
collapse-debuginfo-with-yes-flag.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
constant-debug-locs.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
constant-in-match-pattern.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
coroutine-locals.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
coroutine-objects.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
cross-crate-spans.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
cross-crate-type-uniquing.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
destructured-fn-argument.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
destructured-for-loop-variable.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
destructured-local.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
drop-locations.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
dummy_span.rs Add a test. 2024-08-19 17:10:43 -07:00
duration-type.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
embedded-visualizer-point.natvis Move /src/test to /tests 2023-01-11 09:32:08 +00:00
embedded-visualizer-point.py Move /src/test to /tests 2023-01-11 09:32:08 +00:00
embedded-visualizer.natvis Move /src/test to /tests 2023-01-11 09:32:08 +00:00
embedded-visualizer.py Move /src/test to /tests 2023-01-11 09:32:08 +00:00
embedded-visualizer.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
empty-string.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
enum-thinlto.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
evec-in-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
extern-c-fn.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
f16-natvis.rs Add Natvis visualiser and debuginfo tests for `f16` 2024-07-09 03:47:50 +01:00
fixed-sized-array.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
function-arg-initialization.rs Delete gdbg commands 2024-08-18 12:39:06 -04:00
function-arguments.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
function-call.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
function-names.rs remove const arg windows debug info tests 2024-06-05 22:39:42 +01:00
function-prologue-stepping-regular.rs Enable debuginfo tests that have been temporarily disabled for years 2024-08-11 14:20:15 -04:00
gdb-char.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
gdb-pretty-struct-and-enums.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
generic-enum-with-different-disr-sizes.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
generic-function.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
generic-functions-nested.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
generic-method-on-generic-struct.rs Fixup tests 2024-08-18 17:41:01 -04:00
generic-static-method-on-struct-and-enum.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
generic-struct-style-enum.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
generic-struct.rs Fixup tests 2024-08-18 17:41:01 -04:00
generic-tuple-style-enum.rs Delete lldbr annotations 2024-08-18 16:59:58 -04:00
include_string.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
issue-7712.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
issue-12886.rs Enable more debuginfo tests on Windows 2024-08-16 21:14:45 -04:00
issue-13213.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
issue-14411.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
issue-22656.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
issue-57822.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-for-loop.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-if-let.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
lexical-scope-in-if.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-match.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-parameterless-closure.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
lexical-scope-in-stack-closure.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-unconditional-loop.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-unique-closure.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-in-while.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scope-with-macro.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
lexical-scopes-in-block-expression.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
limited-debuginfo.rs Replace gdbr with gdbg 2024-08-18 12:39:07 -04:00
macro-stepping.inc Move /src/test to /tests 2023-01-11 09:32:08 +00:00
macro-stepping.rs Enable more debuginfo tests on Windows 2024-08-16 21:14:45 -04:00
marker-types.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
method-on-enum.rs Upgrade CI's mingw-w64 toolchain 2024-09-01 12:37:26 +02:00
method-on-generic-struct.rs Fixup tests 2024-08-18 17:41:01 -04:00
method-on-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
method-on-trait.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
method-on-tuple-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
msvc-pretty-enums.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
msvc-scalarpair-params.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
multi-byte-chars.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
multi-cgu.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
multiple-functions-equal-var-names.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
multiple-functions.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
mutable-locs.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
mutex.rs std: move `Once` implementations to `sys` 2024-03-12 15:41:06 +01:00
name-shadowing-and-scope-nesting.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
no_mangle-info.rs Fix remaining LLDB commands. 2024-03-15 20:30:45 +01:00
numeric-types.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
option-like-enum.rs Make option-like-enum.rs UB-free and portable 2024-08-27 19:12:14 -04:00
packed-struct-with-destructor.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
packed-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
path.rs Add rust-lldb pretty printing for Path and PathBuf 2024-03-29 18:02:26 -06:00
pretty-huge-vec.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
pretty-slices.rs Replace gdbr with gdbg 2024-08-18 12:39:07 -04:00
pretty-std-collections-hash.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
pretty-std-collections.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
pretty-std.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
pretty-uninitialized-vec.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
range-types.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
rc_arc.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
recursive-enum.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
recursive-struct.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
reference-debuginfo.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
regression-bad-location-list-67992.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
result-types.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
rwlock-read.rs std: move `Once` implementations to `sys` 2024-03-12 15:41:06 +01:00
rwlock-write.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
self-in-default-method.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
self-in-generic-default-method.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
shadowed-argument.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
shadowed-variable.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
should-fail.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
simd.rs Ban non-array SIMD 2024-09-09 19:39:43 -07:00
simple-lexical-scope.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
simple-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
simple-tuple.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
skip_second_statement.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
skip_second_statement_collapse.rs debuginfo: Stabilize `-Z debug-macros`, `-Z collapse-macro-debuginfo` and `#[collapse_debuginfo]` 2024-04-25 22:14:47 +03:00
static-method-on-struct-and-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
step-into-match.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
strings-and-strs.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
struct-in-enum.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
struct-in-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
struct-namespace.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
struct-style-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
struct-with-destructor.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
text-to-include-1.txt Move /src/test to /tests 2023-01-11 09:32:08 +00:00
text-to-include-2.txt Move /src/test to /tests 2023-01-11 09:32:08 +00:00
text-to-include-3.txt Move /src/test to /tests 2023-01-11 09:32:08 +00:00
thread-names.rs Enable more debuginfo tests on Windows 2024-08-16 21:14:45 -04:00
thread.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
trait-pointers.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
tuple-in-struct.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
tuple-in-tuple.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
tuple-struct.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
tuple-style-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
type-names.cdb.js Move /src/test to /tests 2023-01-11 09:32:08 +00:00
type-names.rs [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22 16:04:04 +00:00
union-smoke.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
unique-enum.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
unit-type.rs Delete redundant gdb-version requirements and related comments 2024-08-18 16:58:25 -04:00
unreachable-locals.rs Delete min-lldb-version: 310 2024-08-18 16:58:26 -04:00
unsized.rs Replace gdbr with gdbg 2024-08-18 12:39:07 -04:00
var-captured-in-nested-closure.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
var-captured-in-sendable-closure.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
var-captured-in-stack-closure.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
vec-slices.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
vec.rs Convert lldbg- to lldb- 2024-08-18 17:00:33 -04:00
zst-interferes-with-prologue.rs Don't leave debug locations for constants sitting on the builder indefinitely. 2024-09-06 23:12:18 +00:00