[Bug c++/100617] [modules] Exported namespace not visible from outside when the module imports another module that declares the same namespace

[amorvincitomnia.iw at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100617

--- Comment #1 from wang ivor <amorvincitomnia.iw at gmail dot com> ---
A workaround is to create a module that exports only the namespace A and
'export import' it in the module 'test1'.