modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr40668.c (about) 1 #if (__SIZEOF_INT__ == 2) 2 #define TESTVALUE 0x1234 3 #else 4 #define TESTVALUE 0x12345678 5 #endif 6 static void 7 foo (unsigned int x, void *p) 8 { 9 __builtin_memcpy (p, &x, sizeof x); 10 } 11 12 void 13 bar (int type, void *number) 14 { 15 switch (type) 16 { 17 case 1: 18 foo (TESTVALUE, number); 19 break; 20 case 7: 21 foo (0, number); 22 break; 23 case 8: 24 foo (0, number); 25 break; 26 case 9: 27 foo (0, number); 28 break; 29 } 30 } 31 32 int 33 main (void) 34 { 35 unsigned int x; 36 bar (1, &x); 37 if (x != TESTVALUE) 38 __builtin_abort (); 39 return 0; 40 }