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-rw-r--r--compiler/rustc_middle/src/ty/sty.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
index e27bb2fd135..142db8a17f0 100644
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@@ -1933,6 +1933,7 @@ impl<'tcx> Ty<'tcx> {
                 ty::UintTy::U64 => Some(sym::u64),
                 ty::UintTy::U128 => Some(sym::u128),
             },
+            ty::Str => Some(sym::str),
             _ => None,
         }
     }