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Auto merge of #1029 - RalfJung:panic-if-uninhabited, r=RalfJung

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calling panic_if_uninhabited is not actually UB
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bors 2019-11-03 14:40:15 +00:00
commit 727e77844e
1 changed files with 2 additions and 1 deletions
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3
src/shims/intrinsics.rs
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@ -381,7 +381,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
let ty = substs.type_at(0);
let layout = this.layout_of(ty)?;
if layout.abi.is_uninhabited() {
throw_ub_format!("Trying to instantiate uninhabited type {}", ty)
// FIXME: This should throw a panic in the interpreted program instead.
throw_unsup_format!("Trying to instantiate uninhabited type {}", ty)
}
}