extern void abort (void); unsigned int a, b = 1, c; void __attribute__ ((noinline)) foo (int x) { if (x != 5) abort (); } int main () { unsigned int d, e; for (d = 1; d < 5; d++) if (c) a = b; a = b; e = a << 1; if (e) e = (e << 1) ^ 1; foo (e); return 0; }