Ruby

eval.c: no method calls at stack overflow

• eval.c (setup_exception): get rid of method calls before raising
  stack overflow, not to cause stack overflow again.
• defs/id.def: add IDs for backtraces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e