https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114683
Bug ID: 114683
Summary: [modules] name declared in GMF in inline namespace and
exported via using-decl from parent namespace is not
visible to importer
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: m.cencora at gmail dot com
Target Milestone: ---
$ cat std.cpp
module;
#include "std.h"
export module std;
export namespace std
{
#ifdef WORKAROUND
inline namespace __cxx11
{
using std::__cxx11::basic_string;
}
#else
using std::basic_string;
#endif
}
$ cat std.h
#pragma once
namespace std
{
inline namespace __cxx11
{
template <typename T>
struct basic_string{};
}
}
$ cat std_user.cpp
import std;
int main()
{
using std::basic_string;
}
$ g++ -std=c++2b -fmodules-ts std.cpp std_user.cpp
std_user.cpp: In function ‘int main()’:
std_user.cpp:5:12: error: ‘basic_string’ has not been declared in ‘std’
Works fine on clang.
Reduced from standard library headers.
