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Make sess.bug much less noisy #106056

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Dec 23, 2022
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9 changes: 6 additions & 3 deletions compiler/rustc_driver/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1199,10 +1199,13 @@ static DEFAULT_HOOK: LazyLock<Box<dyn Fn(&panic::PanicInfo<'_>) + Sync + Send +
};

// Invoke the default handler, which prints the actual panic message and optionally a backtrace
(*DEFAULT_HOOK)(info);
// Don't do this for `ExplicitBug`, which has an unhelpful message and backtrace.
if !info.payload().is::<rustc_errors::ExplicitBug>() {
(*DEFAULT_HOOK)(info);

// Separate the output with an empty line
eprintln!();
// Separate the output with an empty line
eprintln!();
}

// Print the ICE message
report_ice(info, BUG_REPORT_URL);
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