You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
681 B
31 lines
681 B
4 months ago
|
// RUN: %clang_cc1 -x c++ -fms-extensions -fsyntax-only -emit-pch -o %t %s
|
||
|
|
// RUN: %clang_cc1 -x c++ -fms-extensions -fsyntax-only -include-pch %t %s -verify
|
||
|
|
|
||
|
|
#ifndef HEADER
|
||
|
|
#define HEADER
|
||
|
|
template<typename T>
|
||
|
|
void f(T t) {
|
||
|
|
__if_exists(T::foo) {
|
||
|
|
{ }
|
||
|
|
t.foo();
|
||
|
|
}
|
||
|
|
|
||
|
|
__if_not_exists(T::bar) {
|
||
|
|
int *i = t;
|
||
|
|
{ }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
struct HasFoo {
|
||
|
|
void foo();
|
||
|
|
};
|
||
|
|
struct HasBar {
|
||
|
|
void bar(int);
|
||
|
|
void bar(float);
|
||
|
|
};
|
||
|
|
|
||
|
|
template void f(HasFoo); // expected-note{{in instantiation of function template specialization 'f<HasFoo>' requested here}}
|
||
|
|
// expected-error@14{{no viable conversion from 'HasFoo' to 'int *'}}
|
||
|
|
template void f(HasBar);
|
||
|
|
#endif
|