1 /* Test whether the __builtin__CFStringMakeConstantString
2    "function" fails gracefully when handed a non-constant
3    argument.  This will only work on MacOS X 10.1.2 and later.  */
4 /* Developed by Ziemowit Laski <zlaski@apple.com>.  */
5 
6 /* { dg-do compile { target *-*-darwin* } } */
7 /* { dg-options "-mconstant-cfstrings" } */
8 
9 typedef const struct __CFString *CFStringRef;
10 
11 #ifdef __CONSTANT_CFSTRINGS__
12 #define CFSTR(STR)  ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
13 #else
14 #error __CONSTANT_CFSTRINGS__ not defined
15 #endif
16 
17 extern int cond;
18 extern const char *func(void);
19 
20 const CFStringRef s0 = CFSTR("Hello" "there");
21 
main(void)22 int main(void) {
23   CFStringRef s1 = CFSTR("Str1");
24   CFStringRef s2 = CFSTR(cond? "Str2": "Str3"); /* { dg-error "CFString literal expression is not a string constant" } */
25   CFStringRef s3 = CFSTR(func());  /* { dg-error "CFString literal expression is not a string constant" } */
26 
27   return 0;
28 }
29