| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | // Make sure that friend declarations don't introduce ambiguous |
| 5 | // declarations. |
| 6 | |
| 7 | // Test case courtesy of Shantonu Sen. |
| 8 | // Bug 4784. |
| 9 | |
| 10 | class foo; |
| 11 | |
| 12 | extern "C" { |
| 13 | int c_func(foo *a); |
| 14 | }; |
| 15 | int cpp_func(foo *a); |
| 16 | |
| 17 | class foo { |
| 18 | public: |
| 19 | friend int c_func(foo *a); |
| 20 | friend int cpp_func(foo *a); |
| 21 | int caller(); |
| 22 | private: |
| 23 | int x; |
| 24 | }; |
| 25 | |
| 26 | int c_func(foo *a) { |
| 27 | return a->x; |
| 28 | } |
| 29 | |
| 30 | int cpp_func(foo *a) { |
| 31 | return a->x; |
| 32 | } |
| 33 | |
| 34 | int foo::caller() { |
| 35 | c_func(this); |
| 36 | cpp_func(this); |
| 37 | return 0; |
| 38 | } |
| 39 | |