extern void abort (void); extern void exit (int); int sub1 (int val) { return val; } int testcond (int val) { int flag1; { int t1 = val; { int t2 = t1; { flag1 = sub1 (t2) ==0; goto lab1; }; } lab1: ; } if (flag1 != 0) return 0x4d0000; else return 0; } int main (void) { if (testcond (1)) abort (); exit (0); }