* symbol.c (op_tbl): remove non-regular symbols.
* symbol.c (global_symbols): start from the next of the preserved
ID.
* symbol.c: (rb_id2str): op_tbl does not exceed tLAST_OP_ID.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* symbol.c, symbol.h: Symbol class implementation and internals,
split from parse.y.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e