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Mention the panic function in CheckAlignment #113078

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Merged
merged 1 commit into from
Jun 27, 2023
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Mention the panic function in CheckAlignment #113078

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6 changes: 3 additions & 3 deletions compiler/rustc_mir_transform/src/check_alignment.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -240,9 +240,9 @@ fn insert_alignment_check<'tcx>(
required: Operand::Copy(alignment),
found: Operand::Copy(addr),
}),
// The panic symbol that this calls is #[rustc_nounwind]. We never want to insert an
// unwind into unsafe code, because unwinding could make a failing UB check turn into
// much worse UB when we start unwinding.
// This calls panic_misaligned_pointer_dereference, which is #[rustc_nounwind].
// We never want to insert an unwind into unsafe code, because unwinding could
// make a failing UB check turn into much worse UB when we start unwinding.
unwind: UnwindAction::Unreachable,
},
});
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