Fix PR tree-optimization/21520

[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.c-torture / compile / 991127-1.c

extern void foo (int *);

static void bar (char *buf)
{
    int a;
    foo (&a);
    while (a > 0) {
        *buf++ = '0';
        a--;
    }
}