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| author | Mara Bos <m-ou.se@m-ou.se> | 2024-03-19 14:58:40 +0100 |
|---|---|---|
| committer | Mara Bos <m-ou.se@m-ou.se> | 2024-03-19 15:27:11 +0100 |
| commit | 9f25a04498fbe30dcf6a9c764953704c333a0137 (patch) | |
| tree | 324c17cf40b97e7f59338eda0eb53fb54587d700 /library/std/src | |
| parent | 904fef0e24c8b7f7ff0a33c1b7f3ecbb59ade249 (diff) | |
| download | rust-9f25a04498fbe30dcf6a9c764953704c333a0137.tar.gz rust-9f25a04498fbe30dcf6a9c764953704c333a0137.zip | |
SeqCst->Relaxed for FIRST_PANIC.
Relaxed is enough to make sure this `swap` results in `true` only once.
Diffstat (limited to 'library/std/src')
| -rw-r--r-- | library/std/src/panicking.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 464a46264cb..b0bcab7994c 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -272,7 +272,7 @@ fn default_hook(info: &PanicInfo<'_>) { drop(backtrace::print(err, crate::backtrace_rs::PrintFmt::Full)) } Some(BacktraceStyle::Off) => { - if FIRST_PANIC.swap(false, Ordering::SeqCst) { + if FIRST_PANIC.swap(false, Ordering::Relaxed) { let _ = writeln!( err, "note: run with `RUST_BACKTRACE=1` environment variable to display a \ |