Clean up dummped IBF files

common.mk

@@ -758,7 +758,7 @@ clean-rubyspec: clean-spec
 
 distclean: distclean-ext distclean-enc distclean-golf distclean-docs distclean-extout distclean-local distclean-platform distclean-spec
 distclean-local:: clean-local
-	$(Q)$(RM) $(MKFILES) yasmdata.rb *.inc $(PRELUDES) *.rbinc
+	$(Q)$(RM) $(MKFILES) yasmdata.rb *.inc $(PRELUDES) *.rbinc *.rbbin
 	$(Q)$(RM) config.cache config.status config.status.lineno
 	$(Q)$(RM) *~ *.bak *.stackdump core *.core gmon.out $(PREP)
 	-$(Q)$(RMALL) $(srcdir)/autom4te.cache