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// RUN: %clang_cc1 -pedantic -std=c++1y -include %s -include %s -verify %s
// RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch -o %t.1 %s
// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.1 -emit-pch -o %t.2 %s
// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.2 -verify %s
// RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch -fpch-instantiate-templates -o %t.1 %s
// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.1 -emit-pch -fpch-instantiate-templates -o %t.2 %s
// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.2 -verify %s
#ifndef HEADER_1
#define HEADER_1
struct A {
int x;
int y = 3;
int z = x + y;
};
template<typename T> constexpr A make() { return A {}; }
template<typename T> constexpr A make(T t) { return A { t }; }
struct B {
int z1, z2 = z1;
constexpr B(int k) : z1(k) {}
};
template<typename T> struct C {
constexpr C() {}
T c = T();
struct U {};
};
// Instantiate C<int> but not the default initializer.
C<int>::U ciu;
#elif !defined(HEADER_2)
#define HEADER_2
// Instantiate the default initializer now, should create an update record.
C<int> ci;
#else
static_assert(A{}.z == 3, "");
static_assert(A{1}.z == 4, "");
static_assert(A{.y = 5}.z == 5, ""); // expected-warning {{C++20}}
static_assert(A{3, .y = 1}.z == 4, ""); // expected-warning {{C99}} expected-note {{here}}
static_assert(make<int>().z == 3, "");
static_assert(make<int>(12).z == 15, "");
static_assert(C<int>().c == 0, "");
#endif
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