(root)/
gcc-13.2.0/
gcc/
testsuite/
g++.dg/
modules/
tpl-friend-merge-1_a.H
// { dg-additional-options {-fmodule-header -W} }

// { dg-module-cmi {} }

#include "tpl-friend-merge-1.h"
extern template class basic_streambuf<char>;