1 // RUN: %clang_cc1 -emit-llvm-only -triple %itanium_abi_triple -O1 %s
2 // This used to crash under asan and valgrind.
3 // PR12284
4 
5 template < typename _Tp > struct new_allocator
6 {
7   typedef _Tp *pointer;
8   template < typename > struct rebind {
9     typedef new_allocator other;
10   };
11 };
12 template < typename _Tp > struct allocator:new_allocator < _Tp > {
13 };
14 template < typename _Tp, typename _Alloc > struct _Vector_base {
15   typedef typename _Alloc::template rebind < _Tp >::other _Tp_alloc_type;
16   struct _Vector_impl {
17     typename _Tp_alloc_type::pointer _M_end_of_storage;
18   };
_Vector_base_Vector_base19   _Vector_base () {
20     foo((int *) this->_M_impl._M_end_of_storage);
21   }
22   void foo(int *);
23   _Vector_impl _M_impl;
24 };
25 template < typename _Tp, typename _Alloc =
26 allocator < _Tp > >struct vector:_Vector_base < _Tp, _Alloc > { };
27 
28 
29 template < class T> struct HHH {};
30 struct DDD { int x_;};
31 struct Data;
32 struct X1;
33 struct CCC:DDD {   virtual void xxx (HHH < X1 >); };
34 template < class SSS > struct EEE:vector < HHH < SSS > > { };
35 template < class SSS, class = EEE < SSS > >class FFF { };
36 template < class SSS, class GGG = EEE < SSS > >class AAA:FFF <GGG> { };
37 class BBB:virtual CCC {
38   void xxx (HHH < X1 >);
39   vector < HHH < X1 > >aaa;
40 };
41 class ZZZ:AAA < Data >, BBB { virtual ZZZ *ppp () ; };
ppp()42 ZZZ * ZZZ::ppp () { return new ZZZ; }
43