| // { dg-do compile } | |
| // { dg-options "-O -fdump-tree-fre1" } | |
| class A { | |
| virtual void f(){}; | |
| public: | |
| int x; | |
| A(int in): x(in) {}; | |
| }; | |
| class B: public A { | |
| public: | |
| int y; | |
| B(int in):A(in-1), y(in) {}; | |
| }; | |
| void bar(void *); | |
| void test() | |
| { | |
| B b(2); | |
| A* bp = &b; | |
| void* vp = dynamic_cast<void*>(bp); | |
| bar (vp); | |
| } | |
| // We should be able to constant fold from the virtual table | |
| // the offset added to bp for the dynamic cast and forward | |
| // &b to the argument of bar | |
| // { dg-final { scan-tree-dump "bar \\\(&b" "fre1" } } |