[Bug other/57525] New: cc1.exe: fatal error: help-dummy: No such file or directory

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57525

            Bug ID: 57525
           Summary: cc1.exe: fatal error: help-dummy: No such file or
                    directory
           Product: gcc
           Version: 4.7.2
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gjl at gcc dot gnu.org
              Host: i386-mingw32
            Target: avr
             Build: i686-linux-gnu

$ echo > trivial.c
$ avr-gcc trivial.c -save-temps --help=optimizers
cc1.exe: fatal error: help-dummy: No such file or directory

This fatal error also occurs with other versions of GCC.  Trigger is
-save-temps together with --help=

== configure ==

Configured with: ../../gcc.gnu.org/gcc-4_7-branch/configure --target=avr
--prefix=/local/gnu/install/gcc-4.7-mingw32 --host=i386-mingw32
--build=i686-linux-gnu --enable-languages=c,c++ --disable-nls --disable-shared
--with-dwarf2 --with-avrlibc=yes
Thread model: single
gcc version 4.7.2 (GCC)