| 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 | |