1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/torture/strings/const-str-4.mm b/gcc/testsuite/obj-c++.dg/torture/strings/const-str-4.mm
new file mode 100644
index 000000000..c2cadd3df
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/torture/strings/const-str-4.mm
@@ -0,0 +1,33 @@
+/* Ensure that the preprocessor handles ObjC string constants gracefully. */
+/* Author: Ziemowit Laski <zlaski@apple.com> */
+
+/* { dg-do run  { target *-*-darwin* } } */
+/* { dg-options "-fconstant-string-class=MyString" } */ 
+/* { dg-options "-mno-constant-cfstrings -fconstant-string-class=MyString" { target *-*-darwin* } } */
+
+#include <stdlib.h>
+
+@interface MyString
+{
+  void *isa;
+  char *str;
+  int len;
+}
+@end
+
+#define kMyStringMacro1 "My String"
+#define kMyStringMacro2 @"My String"
+
+void *_MyStringClassReference;
+
+@implementation MyString
+@end
+
+int main(void) {
+  MyString* aString1 = @kMyStringMacro1;
+  MyString* aString2 = kMyStringMacro2;
+  if(aString1 != aString2) {
+    abort();
+  }
+  return 0;
+}