1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 0c150ffeed5..5e2e7325725 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -2027,6 +2027,12 @@ bool Sema::CheckSizeOfAlignOfOperand(QualType exprType,
     return true;
   }
 
+  if (Context.hasSameUnqualifiedType(exprType, Context.OverloadTy)) {
+    Diag(OpLoc, diag::err_sizeof_alignof_overloaded_function_type)
+      << !isSizeof << ExprRange;
+    return true;
+  }
+  
   return false;
 }