modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20060110-2.c (about) 1 extern void abort (void); 2 3 long long 4 f (long long a, long long b) 5 { 6 return ((a + b) << 32) >> 32; 7 } 8 9 long long a = 0x1234567876543210LL; 10 long long b = 0x2345678765432101LL; 11 long long c = ((0x1234567876543210LL + 0x2345678765432101LL) << 32) >> 32; 12 13 int 14 main () 15 { 16 if (f (a, b) != c) 17 abort (); 18 return 0; 19 }