2 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index c4e1b26e7c5..705e6f5ef0a 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -6385,6 +6385,7 @@ OMPClause *Sema::ActOnOpenMPReductionClause(
   case OO_Call:
   case OO_Subscript:
   case OO_Conditional:
+  case OO_Coawait:
   case NUM_OVERLOADED_OPERATORS:
     llvm_unreachable("Unexpected reduction identifier");
   case OO_None:
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index 743ca680427..d4a220037ec 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -8228,6 +8228,7 @@ void Sema::AddBuiltinOperatorCandidates(OverloadedOperatorKind Op,
   case OO_Array_New:
   case OO_Array_Delete:
   case OO_Call:
+  case OO_Coawait:
     llvm_unreachable(
                     "Special operators don't use AddBuiltinOperatorCandidates");