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>. */
6 /* { dg-do compile { target *-*-darwin* } } */
7 /* { dg-options "-ftrack-macro-expansion=0 -mconstant-cfstrings" } */
9 #include <CoreFoundation/CFString.h>
11 #ifdef __CONSTANT_CFSTRINGS__
13 #define CFSTR(STR) ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
17 extern const char *func(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" } */