Move get_current_pass_name to ici.c .
Consolidate plugin event name definitions to plugin.def .
Change PLUGIN_ALL_IPA_PASSES_EXECUTION, PLUGIN_ALL_PASSES_EXECUTION,
PLUGIN_AVOID_GATE and PLUGIN_PASS_EXECUTION to use simple argument passing.
Make static events treated equally in register_callback /
invoke_plugin_callbacks, and mark end of static plugin events with
PLUGIN_EVENT_FIRST_DYNAMIC.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ici-20091108-branch@154362 138bc75d-0d04-0410-961f-82ee72b054a4