1// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=128 -foperator-arrow-depth 128
2// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=2 -foperator-arrow-depth 2
3// RUN: %clang -fsyntax-only -Xclang -verify %s -DMAX=10 -foperator-arrow-depth=10
4
5template<int N> struct B;
6template<int N> struct A {
7  B<N> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'B<}}
8};
9template<int N> struct B {
10  A<N-1> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'A<}}
11#if MAX != 2
12  // expected-note-re@-2 {{(skipping {{120|2}} 'operator->'s in backtrace)}}
13#endif
14};
15
16struct X { int n; };
17template<> struct B<1> {
18  X *operator->();
19};
20
21A<MAX/2> good;
22int n = good->n;
23
24B<MAX/2 + 1> bad;
25int m = bad->n; // expected-error-re {{use of 'operator->' on type 'B<{{2|10|128}} / 2 + 1>' would invoke a sequence of more than {{2|10|128}} 'operator->' calls}}
26                // expected-note@-1 {{use -foperator-arrow-depth=N to increase 'operator->' limit}}
27