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Rollup merge of #113402 - nnethercote:diagnose-unsorted-CGUs, r=lqd

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Diagnose unsorted CGUs.

An assertion failure was reported in #112946. This extra information will help diagnose the problem.

r? `@lqd`
This commit is contained in:
Matthias Krüger 2023-07-06 12:12:12 +02:00 committed by GitHub
commit a7532d9278
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1 changed files with 7 additions and 1 deletions
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8
compiler/rustc_monomorphize/src/partitioning.rs
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@ -187,7 +187,13 @@ where
}
// Ensure CGUs are sorted by name, so that we get deterministic results.
assert!(codegen_units.is_sorted_by(|a, b| Some(a.name().as_str().cmp(b.name().as_str()))));
if !codegen_units.is_sorted_by(|a, b| Some(a.name().as_str().cmp(b.name().as_str()))) {
let mut names = String::new();
for cgu in codegen_units.iter() {
names += &format!("- {}\n", cgu.name());
}
bug!("unsorted CGUs:\n{names}");
}
codegen_units
}