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| author | Ali MJ Al-Nasrawy <alimjalnasrawy@gmail.com> | 2023-04-15 15:41:42 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-04-15 15:41:42 +0300 |
| commit | 4c80f58d4188165cc20f72223ec4d1ff46bfb4a8 (patch) | |
| tree | 453fb157ee76652bec1fbe69f310eea8845efaa8 | |
| parent | b506d966a3e413f0d8f3a2fc470f941d7d8c471d (diff) | |
| download | rust-4c80f58d4188165cc20f72223ec4d1ff46bfb4a8.tar.gz rust-4c80f58d4188165cc20f72223ec4d1ff46bfb4a8.zip | |
Update compiler/rustc_trait_selection/src/traits/outlives_bounds.rs
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/outlives_bounds.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs index 5b8d9e7f0f7..e01a57ea4fe 100644 --- a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs @@ -56,8 +56,9 @@ impl<'a, 'tcx: 'a> InferCtxtExt<'a, 'tcx> for InferCtxt<'tcx> { let ty = self.resolve_vars_if_possible(ty); let ty = OpportunisticRegionResolver::new(self).fold_ty(ty); - // We must avoid processing unconstrained lifetime variables in implied - // bounds. See #110161 for context. + // We do not expect existential variables in implied bounds. + // We may however encounter unconstrained lifetime variables in invalid + // code. See #110161 for context. assert!(!ty.has_non_region_infer()); if ty.needs_infer() { self.tcx.sess.delay_span_bug( |