1 files changed, 4 insertions, 3 deletions
diff --git a/test/SemaCXX/complex-overload.cpp b/test/SemaCXX/complex-overload.cpp
index 1381968751af..9373e44de950 100644
--- a/test/SemaCXX/complex-overload.cpp
+++ b/test/SemaCXX/complex-overload.cpp
@@ -4,9 +4,10 @@ char *foo(float);
 void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) {
   char *cp1 = foo(fv);
   char *cp2 = foo(dv);
-  // Note: GCC and EDG reject these two, but they are valid C99 conversions
-  char *cp3 = foo(fc);
-  char *cp4 = foo(dc);
+  // Note: GCC and EDG reject these two, they are valid C99 conversions but
+  // shouldn't be accepted in C++ because the result is surprising.
+  char *cp3 = foo(fc); // expected-error {{implicit conversion from '_Complex float' to 'float' is not permitted in C++}}
+  char *cp4 = foo(dc); // expected-error {{implicit conversion from '_Complex double' to 'float' is not permitted in C++}}
 }
 
 int *foo(float _Complex);