2 // RUN: split-file %s %t
4 // RUN: %clang_cc1 -verify -std=c++20 -emit-header-unit -xc++-user-header bz0.h
5 // RUN: %clang_cc1 -verify -std=c++20 -emit-header-unit -xc++-user-header -fmodule-file=bz0.pcm bz.cpp
8 #pragma GCC visibility push(default)
9 #pragma GCC visibility pop
13 // expected-no-diagnostics
18 import
"bz0.h"; // expected-warning {{the implementation of header units is in an experimental phase}}