1 | // RUN: %clang_cc1 -pedantic -std=c++1y -include %s -include %s -verify %s |
2 | // RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch -o %t.1 %s |
3 | // RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.1 -emit-pch -o %t.2 %s |
4 | // RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.2 -verify %s |
5 | |
6 | #ifndef HEADER_1 |
7 | #define HEADER_1 |
8 | |
9 | struct A { |
10 | int x; |
11 | int y = 3; |
12 | int z = x + y; |
13 | }; |
14 | template<typename T> constexpr A make() { return A {}; } |
15 | template<typename T> constexpr A make(T t) { return A { t }; } |
16 | |
17 | struct B { |
18 | int z1, z2 = z1; |
19 | constexpr B(int k) : z1(k) {} |
20 | }; |
21 | |
22 | template<typename T> struct C { |
23 | constexpr C() {} |
24 | T c = T(); |
25 | struct U {}; |
26 | }; |
27 | // Instantiate C<int> but not the default initializer. |
28 | C<int>::U ciu; |
29 | |
30 | #elif !defined(HEADER_2) |
31 | #define HEADER_2 |
32 | |
33 | // Instantiate the default initializer now, should create an update record. |
34 | C<int> ci; |
35 | |
36 | #else |
37 | |
38 | static_assert(A{}.z == 3, ""); |
39 | static_assert(A{1}.z == 4, ""); |
40 | static_assert(A{.y = 5}.z == 5, ""); // expected-warning {{C99}} |
41 | static_assert(A{3, .y = 1}.z == 4, ""); // expected-warning {{C99}} |
42 | static_assert(make<int>().z == 3, ""); |
43 | static_assert(make<int>(12).z == 15, ""); |
44 | static_assert(C<int>().c == 0, ""); |
45 | |
46 | #endif |
47 | |