modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr59229.c (about) 1 int i; 2 3 __attribute__((noinline, noclone)) void 4 bar (char *p) 5 { 6 if (i < 1 || i > 6) 7 __builtin_abort (); 8 if (__builtin_memcmp (p, "abcdefg", i + 1) != 0) 9 __builtin_abort (); 10 __builtin_memset (p, ' ', 7); 11 } 12 13 __attribute__((noinline, noclone)) void 14 foo (char *p, unsigned long l) 15 { 16 if (l < 1 || l > 6) 17 return; 18 char buf[7]; 19 __builtin_memcpy (buf, p, l + 1); 20 bar (buf); 21 } 22 23 int 24 main () 25 { 26 for (i = 0; i < 16; i++) 27 foo ("abcdefghijklmnop", i); 28 return 0; 29 }