forked from OSchip/llvm-project
90 lines
1.2 KiB
C++
90 lines
1.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only %s -Wall
|
|
|
|
template <typename T> class A { struct { }; };
|
|
|
|
A<int> a0;
|
|
|
|
template <typename T> struct B {
|
|
union {
|
|
int a;
|
|
void* b;
|
|
};
|
|
|
|
void f() {
|
|
a = 10;
|
|
b = 0;
|
|
}
|
|
};
|
|
|
|
B<int> b0;
|
|
|
|
template <typename T> struct C {
|
|
union {
|
|
int a;
|
|
void* b;
|
|
};
|
|
|
|
C(int a) : a(a) { }
|
|
C(void* b) : b(b) { }
|
|
};
|
|
|
|
C<int> c0(0);
|
|
|
|
namespace PR7088 {
|
|
template<typename T>
|
|
void f() {
|
|
union {
|
|
int a;
|
|
union {
|
|
float real;
|
|
T d;
|
|
};
|
|
};
|
|
|
|
a = 17;
|
|
d = 3.14;
|
|
}
|
|
|
|
template void f<double>();
|
|
}
|
|
|
|
// Check for problems related to PR7402 that occur when template instantiation
|
|
// instantiates implicit initializers.
|
|
namespace PR7402 {
|
|
struct X {
|
|
union {
|
|
struct {
|
|
int x;
|
|
int y;
|
|
};
|
|
int v[2];
|
|
};
|
|
|
|
// Check that this requirement survives instantiation.
|
|
template <typename T> X(const T& t) : x(t), y(t) {}
|
|
};
|
|
|
|
X x(42.0);
|
|
}
|
|
|
|
namespace PR9188 {
|
|
struct X0 {
|
|
union {
|
|
int member;
|
|
};
|
|
};
|
|
|
|
static union {
|
|
int global;
|
|
};
|
|
|
|
struct X1 : X0 {
|
|
template<typename T>
|
|
int f() {
|
|
return this->X0::member + PR9188::global;
|
|
}
|
|
};
|
|
|
|
template int X1::f<int>();
|
|
}
|