1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
index d175cf72d67..e6d51c4ec97 100644
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@@ -1708,7 +1708,9 @@ impl<'tcx> Region<'tcx> {
             ty::ReErased => {
                 flags = flags | TypeFlags::HAS_RE_ERASED;
             }
-            ty::ReError(_) => {}
+            ty::ReError(_) => {
+                flags = flags | TypeFlags::HAS_FREE_REGIONS;
+            }
         }
 
         debug!("type_flags({:?}) = {:?}", self, flags);