Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

69 lines
1.5 KiB
C++

// RUN: %clang_cc1 -fms-extensions -std=c++11 %s -verify
struct Nontemplate {
typedef int type;
};
template<typename T>
struct X {
__if_exists(Nontemplate::type) {
typedef Nontemplate::type type;
}
__if_exists(Nontemplate::value) {
typedef Nontemplate::value type2;
}
__if_not_exists(Nontemplate::value) {
typedef int type3;
}
__if_exists(T::X) { // expected-warning{{dependent __if_exists declarations are ignored}}
typedef T::X type4;
}
};
X<int>::type i1;
X<int>::type2 i2; // expected-error{{no type named 'type2' in 'X<int>'}}
X<int>::type3 i3;
X<int>::type4 i4; // expected-error{{no type named 'type4' in 'X<int>'}}
struct HasFoo {
void foo();
};
struct HasBar {
void bar(int);
void bar(float);
};
template<typename T>
void f(T t) {
__if_exists(T::foo) {
{ }
t.foo();
}
__if_not_exists(T::bar) {
int *i = t; // expected-error{{no viable conversion from 'HasFoo' to 'int *'}}
{ }
}
int array2[] = {
0,
__if_exists(T::bar) {2, }// expected-warning{{dependent __if_exists declarations are ignored}}
3
};
}
template void f(HasFoo); // expected-note{{in instantiation of function template specialization 'f<HasFoo>' requested here}}
template void f(HasBar);
template<typename T, typename ...Ts>
void g(T, Ts...) {
__if_exists(T::operator Ts) { // expected-error{{__if_exists name contains unexpanded parameter pack 'Ts'}}
}
__if_not_exists(Ts::operator T) { // expected-error{{__if_not_exists name contains unexpanded parameter pack 'Ts'}}
}
}