forked from OSchip/llvm-project
129 lines
2.3 KiB
C++
129 lines
2.3 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -Wglobal-constructors %s -verify
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int opaque_int();
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namespace test0 {
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// These should never require global constructors.
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int a;
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int b = 20;
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float c = 5.0f;
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// This global constructor is avoidable based on initialization order.
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int d = b; // expected-warning {{global constructor}}
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// These global constructors are unavoidable.
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int e = opaque_int(); // expected-warning {{global constructor}}
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int f = b; // expected-warning {{global constructor}}
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}
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namespace test1 {
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struct A { int x; };
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A a;
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A b = A();
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A c = { 10 };
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A d = { opaque_int() }; // expected-warning {{global constructor}}
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A e = A(A());
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A f = A(a); // expected-warning {{global constructor}}
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A g(a); // expected-warning {{global constructor}}
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A h((A())); // elided
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A i((A(A()))); // elided
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}
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namespace test2 {
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struct A { A(); };
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A a; // expected-warning {{global constructor}}
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A b[10]; // expected-warning {{global constructor}}
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A c[10][10]; // expected-warning {{global constructor}}
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A &d = a;
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A &e = b[5];
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A &f = c[5][7];
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}
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namespace test3 {
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struct A { ~A(); };
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A a; // expected-warning {{global destructor}}
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A b[10]; // expected-warning {{global destructor}}
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A c[10][10]; // expected-warning {{global destructor}}
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A &d = a;
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A &e = b[5];
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A &f = c[5][7];
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}
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namespace test4 {
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char a[] = "hello";
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char b[6] = "hello";
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char c[][6] = { "hello" };
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}
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namespace test5 {
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struct A { A(); };
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void f1() {
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static A a;
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}
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void f2() {
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static A& a = *new A;
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}
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}
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namespace test6 {
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struct A { ~A(); };
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void f1() {
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static A a;
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}
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void f2() {
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static A& a = *new A;
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}
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}
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namespace pr8095 {
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struct Foo {
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int x;
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Foo(int x1) : x(x1) {}
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};
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void foo() {
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static Foo a(0);
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}
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struct Bar {
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~Bar();
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};
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void bar() {
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static Bar b;
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}
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}
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namespace referencemember {
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struct A { int &a; };
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int a;
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A b = { a };
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}
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namespace pr19253 {
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struct A { ~A() = default; };
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A a;
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struct B { ~B(); };
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struct C : B { ~C() = default; };
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C c; // expected-warning {{global destructor}}
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class D {
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friend struct E;
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~D() = default;
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};
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struct E : D {
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D d;
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~E() = default;
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};
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E e;
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}
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namespace pr20420 {
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// No warning is expected. This used to crash.
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void *array_storage[1];
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const int &global_reference = *(int *)array_storage;
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}
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