gcc/testsuite/gcc.dg/torture/pr71522.c

   1 /* { dg-do run } */
   2
   3 #if __SIZEOF_LONG_DOUBLE__ == 16
   4 #define STR "AAAAAAAAAAAAAAA"
   5 #elif __SIZEOF_LONG_DOUBLE__ == 12
   6 #define STR "AAAAAAAAAAA"
   7 #elif __SIZEOF_LONG_DOUBLE__ == 8
   8 #define STR "AAAAAAA"
   9 #elif __SIZEOF_LONG_DOUBLE__ == 4
  10 #define STR "AAA"
  11 #else
  12 #define STR "A"
  13 #endif
  14
  15 int main()
  16 {
  17   long double d;
  18   char s[sizeof d];
  19
  20   __builtin_memcpy(&d, STR, sizeof d);
  21   __builtin_memcpy(&s, &d, sizeof s);
  22
  23   if (__builtin_strncmp (s, STR, sizeof s) != 0)
  24     __builtin_abort ();
  25
  26   return 0;
  27 }