17 lines · cpp
1// RUN: %clang_cc1 -emit-llvm %s -o -2// PR9543 4struct _Refcount_Base {5 unsigned long _M_ref_count;6 int _M_ref_count_lock;7 _Refcount_Base() : _M_ref_count(0) {}8};9 10struct _Rope_RopeRep : public _Refcount_Base11{12public:13 int _M_tag:8;14};15 16int foo(_Rope_RopeRep* r) { return r->_M_tag; }17