1 /* Regression test for PR middle-end/23584 */ 2 /* Verify that dereferencing a volatile element in a struct causes 3 the function not be pure. */ 4 5 /* { dg-do compile } */ 6 /* { dg-options "-O1 -fdump-ipa-pure-const" } */ 7 8 struct test_a { volatile int a; }; 9 func_a(struct test_a * a)10int func_a(struct test_a *a) 11 { 12 return a->a; 13 } 14 15 /* { dg-final { scan-ipa-dump-not "found to be pure: func_a" "pure-const" } } */ 16