/* Test whether statement with no effect warnings are not given for last   statements inside of statement expression.  *//* { dg-do compile } *//* { dg-options "-O -Wall" } */void bar (char *p, char *q);int main(){  char foo [32], *p;  ({    void *s = (foo);    __builtin_memset (s, '\0', sizeof (foo));    s; /* { dg-warning "no effect" "statement with no effect warning" } */    s; /* { dg-bogus "no effect" "bogus statement with no effect warning" } */  });  p = foo;  p;   /* { dg-warning "no effect" "statement with no effect warning" } */  bar (foo, p);  return 0;}