mirror of https://github.com/rust-lang/rust.git
32 lines
859 B
Rust
32 lines
859 B
Rust
// A previously outdated version of LLVM caused compilation failures on Windows
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// specifically with optimization level `z`. After the update to a more recent LLVM
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// version, this test checks that compilation and execution both succeed.
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// See https://github.com/rust-lang/rust/issues/45034
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//@ ignore-cross-compile
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// Reason: the compiled binary is executed
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//@ only-windows
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// Reason: the observed bug only occurs on Windows
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//@ run-pass
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//@ compile-flags: -C opt-level=z
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#![feature(test)]
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extern crate test;
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fn foo(x: i32, y: i32) -> i64 {
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(x + y) as i64
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}
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#[inline(never)]
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fn bar() {
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let _f = Box::new(0);
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// This call used to trigger an LLVM bug in opt-level z where the base
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// pointer gets corrupted, see issue #45034
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let y: fn(i32, i32) -> i64 = test::black_box(foo);
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test::black_box(y(1, 2));
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}
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fn main() {
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bar();
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}
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