bjoernager/rust
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don't restuct references just to reborrow

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This commit is contained in:
Matthias Krüger 2022-12-18 17:01:58 +01:00
parent 35a99eef32
commit a108d55ce6
22 changed files with 41 additions and 42 deletions
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2
compiler/rustc_const_eval/src/interpret/cast.rs
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@ -332,7 +332,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
Immediate::new_slice(ptr, length.eval_usize(*self.tcx, self.param_env), self);
self.write_immediate(val, dest)
}
(&ty::Dynamic(ref data_a, ..), &ty::Dynamic(ref data_b, ..)) => {
(ty::Dynamic(data_a, ..), ty::Dynamic(data_b, ..)) => {
let val = self.read_immediate(src)?;
if data_a.principal() == data_b.principal() {
// A NOP cast that doesn't actually change anything, should be allowed even with mismatching vtables.