1 // The first run checks that the correct errors are generated, 2 // implicitly checking the order of default argument parsing: 3 // RUN: %clang_cc1 -fsyntax-only -verify %s 4 // The second run checks the order of inline method definitions: 5 // RUN: not %clang_cc1 -fsyntax-only %s 2> %t 6 // RUN: FileCheck %s < %t 7 8 class A { 9 public: 10 void a1() { 11 B b = B(); 12 } 13 14 class B; 15 void a2(B b = B()); // expected-error{{use of default argument to function 'B' that is declared later in class 'B'}} 16 17 void a3(int a = 42); 18 19 // CHECK: error: use of undeclared identifier 'first' 20 void a4(int a = first); // expected-error{{use of undeclared identifier 'first'}} 21 22 class B { 23 public: 24 B(int b = 42) { // expected-note{{default argument declared here}} 25 A a; 26 a.a3(); 27 a.a6(); 28 } 29 30 void b1(A a = A()); // expected-error{{use of default argument to function 'A' that is declared later in class 'A'}} 31 32 // CHECK: error: use of undeclared identifier 'second' 33 void b2(int a = second); // expected-error{{use of undeclared identifier 'second'}} 34 }; 35 36 void a5() { 37 B b = B(); 38 } 39 40 void a6(B b = B()); 41 42 A(int a = 42); // expected-note{{default argument declared here}} 43 44 // CHECK: error: use of undeclared identifier 'third' 45 void a7(int a = third); // expected-error{{use of undeclared identifier 'third'}} 46 }; 47