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 "-ftrack-macro-expansion=0 -mconstant-cfstrings" } */ 8 9 #include <CoreFoundation/CFString.h> 10 11 #ifdef __CONSTANT_CFSTRINGS__ 12 #undef CFSTR 13 #define CFSTR(STR) ((CFStringRef) __builtin___CFStringMakeConstantString (STR)) 14 #endif 15 16 extern int cond; 17 extern const char *func(void); 18 main(void)19int main(void) { 20 CFStringRef s1 = CFSTR("Str1"); 21 CFStringRef s2 = CFSTR(cond? "Str2": "Str3"); /* { dg-error "CFString literal expression is not a string constant" } */ 22 CFStringRef s3 = CFSTR(func()); /* { dg-error "CFString literal expression is not a string constant" } */ 23 24 return 0; 25 } 26