1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index ddb49635153..ba057e2084f 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -854,6 +854,8 @@ void MicrosoftCXXNameMangler::mangleCXXDtorType(CXXDtorType T) {
   // <operator-name> ::= ?_E # vector deleting destructor
   // FIXME: Add a vector deleting dtor type.  It goes in the vtable, so we need
   // it.
+  case Dtor_Comdat:
+    llvm_unreachable("not expecting a COMDAT");
   }
   llvm_unreachable("Unsupported dtor type?");
 }