File: darwin-cfstring-1.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* Test whether the __builtin__CFStringMakeConstantString 
   "function" fails gracefully when handed a non-constant
   argument.  This will only work on MacOS X 10.1.2 and later.  */
/* Developed by Ziemowit Laski <zlaski@apple.com>.  */

/* { dg-do compile { target *-*-darwin* } } */
/* { dg-options "-mconstant-cfstrings" } */

typedef const struct __CFString *CFStringRef;

#ifdef __CONSTANT_CFSTRINGS__
#define CFSTR(STR)  ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
#else
#error __CONSTANT_CFSTRINGS__ not defined
#endif

extern int cond;
extern const char *func(void);

const CFStringRef s0 = CFSTR("Hello" "there");

int main(void) {
  CFStringRef s1 = CFSTR("Str1");
  CFStringRef s2 = CFSTR(cond? "Str2": "Str3"); /* { dg-error "CFString literal expression is not a string constant" } */
  CFStringRef s3 = CFSTR(func());  /* { dg-error "CFString literal expression is not a string constant" } */

  return 0;
}