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// RUN: %clang_cc1 -std=c++11 -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 };
}
namespace pr19253 {
struct A { ~A() = default; };
A a;
struct B { ~B(); };
struct C : B { ~C() = default; };
C c; // expected-warning {{global destructor}}
class D {
friend struct E;
~D() = default;
};
struct E : D {
D d;
~E() = default;
};
E e;
}
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