1 /* { dg-do compile } */
2 /* { dg-options "-O2 -Wunsafe-loop-optimizations" } */
9 for(k = 0;k <= n;k++) /* { dg-warning "cannot optimize.*infinite loops" } */
12 for(k = 0;k <= n;k += 4) /* { dg-warning "cannot optimize.*overflow" } */
15 for(k = 5;k <= n;k += 5) /* { dg-warning "cannot optimize.*overflow" } */
18 for(k = 15;k >= n;k--) /* { dg-warning "cannot optimize.*infinite" } */