1 /* Test whether statement with no effect warnings are not given for last
2 statements inside of statement expression. */
3 /* { dg-do compile } */
4 /* { dg-options "-O -Wall" } */
5
6 void bar (char *p, char *q);
7
main()8 int main()
9 {
10 char foo [32], *p;
11
12 ({
13 void *s = (foo);
14 __builtin_memset (s, '\0', sizeof (foo));
15 s; /* { dg-warning "no effect" "statement with no effect warning" } */
16 s; /* { dg-bogus "no effect" "bogus statement with no effect warning" } */
17 });
18 p = foo;
19 p; /* { dg-warning "no effect" "statement with no effect warning" } */
20 bar (foo, p);
21 return 0;
22 }
23