104 lines
1.9 KiB
C++
104 lines
1.9 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -Wglobal-constructors %s -verify
|
|
|
|
int opaque_int();
|
|
|
|
namespace test0 {
|
|
// These should never require global constructors.
|
|
int a;
|
|
int b = 20;
|
|
float c = 5.0f;
|
|
|
|
// This global constructor is avoidable based on initialization order.
|
|
int d = b; // expected-warning {{global constructor}}
|
|
|
|
// These global constructors are unavoidable.
|
|
int e = opaque_int(); // expected-warning {{global constructor}}
|
|
int f = b; // expected-warning {{global constructor}}
|
|
}
|
|
|
|
namespace test1 {
|
|
struct A { int x; };
|
|
A a;
|
|
A b = A();
|
|
A c = { 10 };
|
|
A d = { opaque_int() }; // expected-warning {{global constructor}}
|
|
A e = A(A());
|
|
A f = A(a); // expected-warning {{global constructor}}
|
|
A g(a); // expected-warning {{global constructor}}
|
|
A h((A())); // elided
|
|
A i((A(A()))); // elided
|
|
}
|
|
|
|
namespace test2 {
|
|
struct A { A(); };
|
|
A a; // expected-warning {{global constructor}}
|
|
A b[10]; // expected-warning {{global constructor}}
|
|
A c[10][10]; // expected-warning {{global constructor}}
|
|
|
|
A &d = a;
|
|
A &e = b[5];
|
|
A &f = c[5][7];
|
|
}
|
|
|
|
namespace test3 {
|
|
struct A { ~A(); };
|
|
A a; // expected-warning {{global destructor}}
|
|
A b[10]; // expected-warning {{global destructor}}
|
|
A c[10][10]; // expected-warning {{global destructor}}
|
|
|
|
A &d = a;
|
|
A &e = b[5];
|
|
A &f = c[5][7];
|
|
}
|
|
|
|
namespace test4 {
|
|
char a[] = "hello";
|
|
char b[6] = "hello";
|
|
char c[][6] = { "hello" };
|
|
}
|
|
|
|
namespace test5 {
|
|
struct A { A(); };
|
|
|
|
void f1() {
|
|
static A a;
|
|
}
|
|
void f2() {
|
|
static A& a = *new A;
|
|
}
|
|
}
|
|
|
|
namespace test6 {
|
|
struct A { ~A(); };
|
|
|
|
void f1() {
|
|
static A a;
|
|
}
|
|
void f2() {
|
|
static A& a = *new A;
|
|
}
|
|
}
|
|
|
|
namespace pr8095 {
|
|
struct Foo {
|
|
int x;
|
|
Foo(int x1) : x(x1) {}
|
|
};
|
|
void foo() {
|
|
static Foo a(0);
|
|
}
|
|
|
|
struct Bar {
|
|
~Bar();
|
|
};
|
|
void bar() {
|
|
static Bar b;
|
|
}
|
|
}
|
|
|
|
namespace referencemember {
|
|
struct A { int &a; };
|
|
int a;
|
|
A b = { a };
|
|
}
|