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use try_normalize_erasing_regions in RevealAllVisitor

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b-naber 2021-12-13 22:24:08 +01:00
parent a0a4c7d1e4
commit f3ecd64c61
2 changed files with 25 additions and 1 deletions
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5
compiler/rustc_mir_transform/src/reveal_all.rs
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@ -36,6 +36,9 @@ impl<'tcx> MutVisitor<'tcx> for RevealAllVisitor<'tcx> {
#[inline]
fn visit_ty(&mut self, ty: &mut Ty<'tcx>, _: TyContext) {
*ty = self.tcx.normalize_erasing_regions(self.param_env, ty);
// We have to use `try_normalize_erasing_regions` here, since it's
// possible that we visit impossible-to-satisfy where clauses here,
// see #91745
*ty = self.tcx.try_normalize_erasing_regions(self.param_env, *ty).unwrap_or(ty);
}
}