1 // RUN: %clang_cc1 -fsyntax-only -Wglobal-constructors %s -verify 2 3 int opaque_int(); 4 5 namespace test0 { 6 // These should never require global constructors. 7 int a; 8 int b = 20; 9 float c = 5.0f; 10 11 // This global constructor is avoidable based on initialization order. 12 int d = b; // expected-warning {{global constructor}} 13 14 // These global constructors are unavoidable. 15 int e = opaque_int(); // expected-warning {{global constructor}} 16 int f = b; // expected-warning {{global constructor}} 17 } 18 19 namespace test1 { 20 struct A { int x; }; 21 A a; 22 A b = A(); 23 A c = { 10 }; 24 A d = { opaque_int() }; // expected-warning {{global constructor}} 25 A e = A(A()); 26 A f = A(a); // expected-warning {{global constructor}} 27 A g(a); // expected-warning {{global constructor}} 28 A h((A())); // elided 29 A i((A(A()))); // elided 30 } 31 32 namespace test2 { 33 struct A { A(); }; 34 A a; // expected-warning {{global constructor}} 35 A b[10]; // expected-warning {{global constructor}} 36 A c[10][10]; // expected-warning {{global constructor}} 37 38 A &d = a; 39 A &e = b[5]; 40 A &f = c[5][7]; 41 } 42 43 namespace test3 { 44 struct A { ~A(); }; 45 A a; // expected-warning {{global destructor}} 46 A b[10]; // expected-warning {{global destructor}} 47 A c[10][10]; // expected-warning {{global destructor}} 48 49 A &d = a; 50 A &e = b[5]; 51 A &f = c[5][7]; 52 } 53 54 namespace test4 { 55 char a[] = "hello"; 56 char b[6] = "hello"; 57 char c[][6] = { "hello" }; 58 } 59 60 namespace test5 { 61 struct A { A(); }; 62 63 void f1() { 64 static A a; 65 } 66 void f2() { 67 static A& a = *new A; 68 } 69 } 70 71 namespace test6 { 72 struct A { ~A(); }; 73 74 void f1() { 75 static A a; 76 } 77 void f2() { 78 static A& a = *new A; 79 } 80 } 81 82 namespace pr8095 { 83 struct Foo { 84 int x; 85 Foo(int x1) : x(x1) {} 86 }; 87 void foo() { 88 static Foo a(0); 89 } 90 91 struct Bar { 92 ~Bar(); 93 }; 94 void bar() { 95 static Bar b; 96 } 97 } 98
