34 lines · cpp
1// RUN: %clang_cc1 -x c++ -fms-extensions -emit-pch -o %t %s2// RUN: %clang_cc1 -x c++ -fms-extensions -fsyntax-only -include-pch %t %s -verify3 4// RUN: %clang_cc1 -x c++ -fms-extensions -emit-pch -fpch-instantiate-templates -o %t %s5// RUN: %clang_cc1 -x c++ -fms-extensions -fsyntax-only -include-pch %t %s -verify6 7#ifndef HEADER8#define HEADER9template<typename T>10void f(T t) {11 __if_exists(T::foo) {12 { }13 t.foo();14 }15 16 __if_not_exists(T::bar) {17 int *i = t;18 { }19 }20}21#else22struct HasFoo { 23 void foo();24};25struct HasBar { 26 void bar(int);27 void bar(float);28};29 30template void f(HasFoo); // expected-note{{in instantiation of function template specialization 'f<HasFoo>' requested here}}31 // expected-error@17{{no viable conversion from 'HasFoo' to 'int *'}}32template void f(HasBar);33#endif34