[Bug c++/115190] New: -fmodule-mapper does not accept CRLF files

[huangqinjin at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115190

            Bug ID: 115190
           Summary: -fmodule-mapper does not accept CRLF files
           Product: gcc
           Version: 14.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: huangqinjin at gmail dot com
  Target Milestone: ---

In MSYS2/UCRT64 shell,install gcc (version 14.1.0),

$ printf '$root .\r\n' > a.modmap
$ g++ -std=c++20 -fmodules-ts -fmodule-mapper=a.modmap -E -o /dev/null -x c++
/dev/null
nul: error: failed reading mapper 'a.modmap'


CMake related issue: https://gitlab.kitware.com/cmake/cmake/-/issues/25974