/* We shall devirtualize to B::foo since it is the only live candidate of an anonymous type. */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-ipa-whole-program -fdevirtualize" } */ namespace { class B { public: virtual int foo(void) { return 0; } }; class A : public B { public: virtual int foo(void) { return 1; } }; } class B *b; void get_me_lost (void *); main() { int c; if (c) { class A a; a.foo(); } else { b = new (class B); b->foo(); get_me_lost ((void *)&b); } return b->foo(); } /* { dg-final { scan-ipa-dump "Devirtualizing" "whole-program"} } */ /* { dg-final { scan-ipa-dump-not "builtin_unreachable" "whole-program"} } */ /* { dg-final { scan-ipa-dump "B::foo" "whole-program"} } */ /* { dg-final { scan-ipa-dump-not "A::foo" "whole-program"} } */ /* { dg-final { cleanup-ipa-dump "whole-program" } } */