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Workaround for windows-gnu rust-lld test failure #140396

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Apr 29, 2025
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Workaround for windows-gnu rust-lld test failure #140396

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6 changes: 6 additions & 0 deletions tests/run-make/amdgpu-kd/rmake.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,19 @@
//@ needs-llvm-components: amdgpu
//@ needs-rust-lld

use run_make_support::targets::is_windows_gnu;
use run_make_support::{llvm_readobj, rustc};

fn main() {
// FIXME(#115985): rust-lld on gnu targets may spuriously fail with
// STATUS_HEAP_CORRUPTION (0xc0000374).
// To try to mitigate this we pass --threads=1 to the linker.
let extra_args: &[&str] = if is_windows_gnu() { &["-C", "link-arg=--threads=1"] } else { &[] };
rustc()
.crate_name("foo")
.target("amdgcn-amd-amdhsa")
.arg("-Ctarget-cpu=gfx900")
.args(&extra_args)
.crate_type("cdylib")
.input("foo.rs")
.run();
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