CMake/Tests/RunCMake/CXXModules/NotCompiledSourceModules-stderr.txt

(CMake Error in CMakeLists\.txt:
  Target "not-cxx-source" has source file

    .*/Tests/RunCMake/CXXModules/sources/not-compiled.txt

  in a "FILE_SET TYPE CXX_MODULES" but it is not scheduled for compilation.

)+
CMake Generate step failed.  Build files cannot be regenerated correctly.