| 1 | // Test default argument instantiation in chained PCH. |
| 2 | |
| 3 | // Without PCH |
| 4 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -include %s -include %s %s |
| 5 | |
| 6 | // With PCH |
| 7 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -chain-include %s -chain-include %s |
| 8 | |
| 9 | // With modules |
| 10 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -fmodules %s -chain-include %s -chain-include %s |
| 11 | |
| 12 | // expected-no-diagnostics |
| 13 | |
| 14 | #ifndef HEADER1 |
| 15 | #define HEADER1 |
| 16 | //===----------------------------------------------------------------------===// |
| 17 | // Primary header. |
| 18 | |
| 19 | namespace rdar23810407 { |
| 20 | template<typename T> int f(T t) { |
| 21 | extern T rdar23810407_variable; |
| 22 | return 0; |
| 23 | } |
| 24 | template<typename T> int g(int a = f([] {})); |
| 25 | } |
| 26 | |
| 27 | //===----------------------------------------------------------------------===// |
| 28 | #elif not defined(HEADER2) |
| 29 | #define HEADER2 |
| 30 | #if !defined(HEADER1) |
| 31 | #error Header inclusion order messed up |
| 32 | #endif |
| 33 | |
| 34 | //===----------------------------------------------------------------------===// |
| 35 | // Dependent header. |
| 36 | |
| 37 | inline void instantiate_once() { |
| 38 | rdar23810407::g<int>(); |
| 39 | } |
| 40 | |
| 41 | //===----------------------------------------------------------------------===// |
| 42 | #else |
| 43 | //===----------------------------------------------------------------------===// |
| 44 | |
| 45 | void test() { |
| 46 | rdar23810407::g<int>(); |
| 47 | } |
| 48 | |
| 49 | //===----------------------------------------------------------------------===// |
| 50 | #endif |
| 51 | |