1 /* PR28322: ignore unknown -Wno-* if no warning is emitted.  */
2 /* { dg-do compile } */
3 /* { dg-options " -Wno-foobar -Wno-div-by-zero" } */
4 
foo(void)5 void foo(void)
6 {
7   int i =  1/0;
8 }
9