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// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 %t/a.cppm -emit-module-interface -o %t/a.pcm
// RUN: %clang_cc1 -std=c++20 %t/use.cc -fmodule-file=a=%t/a.pcm -fsyntax-only -verify
// RUN: %clang_cc1 -std=c++20 %t/a-part.cppm -fmodule-file=a=%t/a.pcm -fsyntax-only -verify
//
// Test again with reduced BMI
// RUN: %clang_cc1 -std=c++20 %t/a.cppm -emit-reduced-module-interface -o %t/a.pcm
// RUN: %clang_cc1 -std=c++20 %t/use.cc -fmodule-file=a=%t/a.pcm -fsyntax-only -verify
// RUN: %clang_cc1 -std=c++20 %t/a-part.cppm -fmodule-file=a=%t/a.pcm -fsyntax-only -verify
// RUN: %clang_cc1 -std=c++20 %t/a.cc -fmodule-file=a=%t/a.pcm -fsyntax-only -verify
//--- a.cppm
export module a;
constexpr int x = 43;
export constexpr int f() { return x; }
export template <typename T>
constexpr T g() {
return x;
}
namespace nn {
constexpr int x = 88;
export constexpr int f() { return x; }
export template <typename T>
constexpr T g() {
return x;
}
}
//--- use.cc
// expected-no-diagnostics
import a;
static_assert(f() == 43, "");
constexpr int x = 99;
static_assert(g<int>() == 43, "");
static_assert(x == 99, "");
namespace nn {
static_assert(f() == 88, "");
constexpr int x = 1000;
static_assert(g<int>() == 88, "");
static_assert(x == 1000, "");
}
//--- a-part.cppm
module a:impl;
import a;
static_assert(x == 43, "");
constexpr int x = 1000; // expected-error {{redefinition of 'x'}}
// expected-note@* {{previous definition is here}}
//--- a.cc
module a;
static_assert(x == 43, "");
constexpr int x = 1000; // expected-error {{redefinition of 'x'}}
// expected-note@* {{previous definition is here}}
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