diff options
Diffstat (limited to 'compiler/rustc_driver_impl/src')
| -rw-r--r-- | compiler/rustc_driver_impl/src/lib.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 7b1070f309b..c4488354135 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1327,6 +1327,9 @@ pub fn install_ice_hook( panic::update_hook(Box::new( move |default_hook: &(dyn Fn(&PanicInfo<'_>) + Send + Sync + 'static), info: &PanicInfo<'_>| { + // Lock stderr to prevent interleaving of concurrent panics. + let _guard = io::stderr().lock(); + // If the error was caused by a broken pipe then this is not a bug. // Write the error and return immediately. See #98700. #[cfg(windows)] |