1 // Test this without pch. 2 // RUN: %clang_cc1 -std=c++11 -include %s -fsyntax-only -verify %s 3 4 // Test with pch. 5 // RUN: %clang_cc1 -std=c++11 -x c++-header -emit-pch -o %t %s 6 // RUN: %clang_cc1 -std=c++11 -include-pch %t -fsyntax-only -verify %s 7 8 // expected-no-diagnostics 9 10 // PR25271: Ensure that default template arguments prior to a parameter pack 11 // successfully round-trip. 12 #ifndef HEADER 13 #define HEADER 14 template<unsigned T=123, unsigned... U> 15 class dummy; 16 17 template<unsigned T, unsigned... U> 18 class dummy { 19 int field[T]; 20 }; 21 #else 22 void f() { 23 dummy<> x; 24 (void)x; 25 } 26 #endif 27
