I am new user. I type line to terminal. And error returned.

[lynx@cjs ~]$ LC_ALL=C cpp -E -dM -x c++ /dev/null
bash: warning: setlocale: LC_ALL: cannot change locale (C cpp -E -dM -x c++ /dev/null): Invalid argument
cpp: internal compiler error: Segmentation fault (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.