1 /* PR tree-optimization/29738.  We used not to realize that "i" can never
2    become nonzero.  */
3 
4 /* { dg-do compile } */
5 /* { dg-options "-O2 -fdump-tree-optimized" } */
6 
7 int i;
8 
9 void foo (void);
bar(void)10 void bar (void)
11 {
12   int j;
13   i = 0;
14   for (j = 0; j < 10000; j++)
15     if (i)
16       foo ();
17 }
18 
19 /* Everything except for the "i = 0" assignment should get removed.  */
20 /* { dg-final { scan-tree-dump-times "if" 0 "optimized" { xfail *-*-* } } } */
21