diff options
| -rw-r--r-- | compiler/rustc_infer/src/infer/mod.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index f39170bb291..14af720fca1 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1389,8 +1389,8 @@ impl<'tcx> InferCtxt<'tcx> { where T: TypeFoldable<'tcx>, { - if !value.needs_infer() { - return value; // Avoid duplicated subst-folding. + if !value.has_non_region_infer() { + return value; } let mut r = resolve::OpportunisticVarResolver::new(self); value.fold_with(&mut r) |