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// RUN: rm -fR %t
// RUN: split-file %s %t
// RUN: cd %t
// RUN: %clang_cc1 -verify -w -std=c++20 -fmodule-name=h1.h -emit-header-unit -xc++-user-header h1.h -o h1.pcm
// RUN: %clang_cc1 -verify -w -std=c++20 -fmodule-map-file=module.modulemap -fmodule-file=h1.h=h1.pcm main.cpp -o main.o
//--- module.modulemap
module "h1.h" {
header "h1.h"
export *
}
//--- h0.h
// expected-no-diagnostics
#pragma once
template <typename T> struct A {
union {
struct {
T x, y, z;
};
};
constexpr A(T, T, T) : x(), y(), z() {}
};
typedef A<float> packed_vec3;
//--- h1.h
// expected-no-diagnostics
#pragma once
#include "h0.h"
constexpr packed_vec3 kMessThingsUp = packed_vec3(5.0f, 5.0f, 5.0f);
//--- main.cpp
// expected-no-diagnostics
#include "h0.h"
static_assert(sizeof(packed_vec3) == sizeof(float) * 3);
static_assert(alignof(packed_vec3) == sizeof(float));
import "h1.h";
constexpr packed_vec3 kDefaultHalfExtents = packed_vec3(5.0f, 5.0f, 5.0f);
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