27 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=128 -foperator-arrow-depth=1282// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=2 -foperator-arrow-depth=23// RUN: %clang -fsyntax-only -Xclang -verify %s -DMAX=10 -foperator-arrow-depth=104 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 != 212 // expected-note-re@-2 {{(skipping {{120|2}} 'operator->'s in backtrace)}}13#endif14};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