1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3 extern int printf (const char *, ...);
main(int argc,int b)4 int main(int argc, int b)
5 {
6   /* We should be able to get rid of the a - i.  */
7   int i;
8   for (i = 0; i < 50; i++)
9     {
10       int a = b + i;
11       int c = a - i;
12       int d = argc + b;
13       printf ("%d %d\n", c,d);
14     }
15 }
16 /* { dg-final { scan-tree-dump-times "a - i" 0 "optimized"} } */
17