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Disable stack probe when thread sanitizer is enabled #65102

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Merged
merged 1 commit into from
Oct 8, 2019
Merged

Disable stack probe when thread sanitizer is enabled #65102

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10 changes: 6 additions & 4 deletions src/librustc_codegen_llvm/attributes.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,10 +96,12 @@ pub fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
}

// Currently stack probes seem somewhat incompatible with the address
// sanitizer. With asan we're already protected from stack overflow anyway
// so we don't really need stack probes regardless.
if let Some(Sanitizer::Address) = cx.sess().opts.debugging_opts.sanitizer {
return
// sanitizer and thread sanitizer. With asan we're already protected from
// stack overflow anyway so we don't really need stack probes regardless.
match cx.sess().opts.debugging_opts.sanitizer {
Some(Sanitizer::Address) |
Some(Sanitizer::Thread) => return,
_ => {},
}

// probestack doesn't play nice either with `-C profile-generate`.
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