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Diffstat (limited to 'test/SemaCXX/operator-arrow-depth.cpp')
| -rw-r--r-- | test/SemaCXX/operator-arrow-depth.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/SemaCXX/operator-arrow-depth.cpp b/test/SemaCXX/operator-arrow-depth.cpp new file mode 100644 index 0000000..3e2ba8e --- /dev/null +++ b/test/SemaCXX/operator-arrow-depth.cpp @@ -0,0 +1,26 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=128 -foperator-arrow-depth 128 +// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=2 -foperator-arrow-depth 2 +// RUN: %clang -fsyntax-only -Xclang -verify %s -DMAX=10 -foperator-arrow-depth=10 + +template<int N> struct B; +template<int N> struct A { + B<N> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'B<}} +}; +template<int N> struct B { + A<N-1> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'A<}} +#if MAX != 2 + // expected-note-re@-2 {{(skipping (120|2) 'operator->'s in backtrace)}} +#endif +}; + +struct X { int n; }; +template<> struct B<1> { + X *operator->(); +}; + +A<MAX/2> good; +int n = good->n; + +B<MAX/2 + 1> bad; +int 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}} + // expected-note@-1 {{use -foperator-arrow-depth=N to increase 'operator->' limit}} |
