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Rollup merge of #117373 - saethlin:avoid-ice-lint, r=compiler-errors

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Avoid the path trimming ICE lint in error reporting

Types or really anything in MIR should never be formatted without path trimming disabled, because its formatting often tries to construct trimmed paths. In this case, the lint turns a nice error report into an irrelevant ICE.
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Matthias Krüger 2023-11-01 21:40:05 +01:00 committed by GitHub
commit 3087b63d1f
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1 changed files with 4 additions and 8 deletions
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12
compiler/rustc_const_eval/src/interpret/cast.rs
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@ -145,16 +145,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
assert!(dest.layout.is_sized());
assert_eq!(cast_ty, dest.layout.ty); // we otherwise ignore `cast_ty` enirely...
if src.layout.size != dest.layout.size {
let src_bytes = src.layout.size.bytes();
let dest_bytes = dest.layout.size.bytes();
let src_ty = format!("{}", src.layout.ty);
let dest_ty = format!("{}", dest.layout.ty);
throw_ub_custom!(
fluent::const_eval_invalid_transmute,
src_bytes = src_bytes,
dest_bytes = dest_bytes,
src = src_ty,
dest = dest_ty,
src_bytes = src.layout.size.bytes(),
dest_bytes = dest.layout.size.bytes(),
src = src.layout.ty,
dest = dest.layout.ty,
);
}