[Bug plugins/57852] lib/plugin-support.exp incorrectly sets PLUGINCC to compilers in prev-gcc breaks testing on lean bootstrap

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57852

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |ebotcazou at gcc dot gnu.org
         Resolution|---                         |WONTFIX

--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Please set PLUGIN_CC to the final build of the compilers in the gcc subdirectory.

No, that would be wrong, PLUGINCC should be set to the compiler that was used
to build the compiler, otherwise configuration mismatches can arise, for
example if you don't bootstrap.