1 files changed, 10 insertions, 0 deletions
diff --git a/clang/test/Sema/cfstring.c b/clang/test/Sema/cfstring.c
new file mode 100644
index 00000000000..41181eaa8b2
--- /dev/null
+++ b/clang/test/Sema/cfstring.c
@@ -0,0 +1,10 @@
+#define CFSTR __builtin___CFStringMakeConstantString
+
+// RUN: clang %s -parse-ast-check
+void f() {
+  CFSTR("\242"); // expected-warning { CFString literal contains non-ASCII character }
+  CFSTR("\0"); // expected-warning { CFString literal contains NUL character }
+  CFSTR(242); // expected-error { error: CFString literal is not a string constant } \
+  expected-warning { incompatible types }
+  CFSTR("foo", "bar"); // expected-error { error: too many arguments to function }
+}