id summary reporter owner description type status milestone component version severity resolution keywords cc 8912 libs/regex/src/fileiter.cpp: Spurious failure check Jeffrey Walton John Maddock "Line 106: hmap = CreateFileMapping(hfile, 0, PAGE_READONLY, 0, 0, 0); if((hmap == INVALID_HANDLE_VALUE) || (hmap == NULL)) { CloseHandle(hfile); hmap = 0; hfile = 0; std::runtime_error err(""Unable to create file mapping.""); boost::re_detail::raise_runtime_error(err); } According to MSDN (http://msdn.microsoft.com/en-us/library/windows/desktop/aa366537%28v=vs.85%29.aspx), CreateFileMapping returns NULL on failure, and not INVALID_HANDLE_VALUE." Bugs closed To Be Determined regex Boost 1.54.0 Problem wontfix regex windows open CreateFileMapping