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Support enum variants in offset_of!

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George Bateman 2023-08-15 20:10:45 +01:00
parent 9d83ac2179
commit e936416a8d
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27 changed files with 472 additions and 75 deletions
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compiler/rustc_mir_transform/src/dataflow_const_prop.rs
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@ -287,7 +287,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> {
NullOp::SizeOf if layout.is_sized() => layout.size.bytes(),
NullOp::AlignOf if layout.is_sized() => layout.align.abi.bytes(),
NullOp::OffsetOf(fields) => layout
.offset_of_subfield(&self.ecx, fields.iter().map(|f| f.index()))
.offset_of_subfield(&self.ecx, fields.iter())
.bytes(),
_ => return ValueOrPlace::Value(FlatSet::Top),
};