| 1 | // RUN: %clang_cc1 -emit-llvm %s -o - |
|---|---|
| 2 | // PR954 |
| 3 | |
| 4 | struct _Refcount_Base { |
| 5 | unsigned long _M_ref_count; |
| 6 | int _M_ref_count_lock; |
| 7 | _Refcount_Base() : _M_ref_count(0) {} |
| 8 | }; |
| 9 | |
| 10 | struct _Rope_RopeRep : public _Refcount_Base |
| 11 | { |
| 12 | public: |
| 13 | int _M_tag:8; |
| 14 | }; |
| 15 | |
| 16 | int foo(_Rope_RopeRep* r) { return r->_M_tag; } |
| 17 |