gcc-4.9/gcc/testsuite/gcc.dg/pr55122.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14

/* PR rtl-optimization/55122 */
/* { dg-do compile } */
/* { dg-options "-O3" } */

int i, a;
unsigned long long b;

void f(void)
{
    for(i = 0; i < 15; i++)
        b *= b;

    b *= a ? 0 : b;
}