1*33c3ef2fSSam McCall // Fake standard library with uglified names.
2*33c3ef2fSSam McCall // Parameters (including template params) get ugliness stripped.
3*33c3ef2fSSam McCall namespace std {
4*33c3ef2fSSam McCall 
5*33c3ef2fSSam McCall template <typename _Tp>
6*33c3ef2fSSam McCall class __vector_base {};
7*33c3ef2fSSam McCall 
8*33c3ef2fSSam McCall template <typename _Tp>
9*33c3ef2fSSam McCall class vector : private __vector_base<_Tp> {
10*33c3ef2fSSam McCall public:
11*33c3ef2fSSam McCall   _Tp &at(unsigned __index) const;
12*33c3ef2fSSam McCall   int __stays_ugly();
13*33c3ef2fSSam McCall };
14*33c3ef2fSSam McCall 
15*33c3ef2fSSam McCall } // namespace std
16*33c3ef2fSSam McCall 
17*33c3ef2fSSam McCall int x = std::vector<int>{}.at(42);
18*33c3ef2fSSam McCall // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:14 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
19*33c3ef2fSSam McCall // CHECK-CC1: COMPLETION: __vector_base : __vector_base<<#typename Tp#>>
20*33c3ef2fSSam McCall // CHECK-CC1: COMPLETION: vector : vector<<#typename Tp#>>
21*33c3ef2fSSam McCall // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:28 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
22*33c3ef2fSSam McCall // CHECK-CC2: COMPLETION: __stays_ugly : [#int#]__stays_ugly()
23*33c3ef2fSSam McCall // CHECK-CC2: COMPLETION: at : [#int &#]at(<#unsigned int index#>)[# const#]
24*33c3ef2fSSam McCall // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:31 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
25*33c3ef2fSSam McCall // CHECK-CC3: OVERLOAD: [#int &#]at(<#unsigned int index#>)
26