* gc.c (rb_gc_call_finalizer_at_exit): clear klass member of
terminating object.
* eval.c (rb_call): raise exception for terminated object.
* bignum.c (bigdivrem): t2 might be too big for signed long; do
not use rb_int2big(), but rb_uint2big().
* error.c (rb_load_fail): new func to report LoadError.
* ruby.c (load_file): use rb_load_fail.
* eval.c (ruby_finalize): should enclosed by PUSH_TAG/POP_TAG.
* gc.c (rb_gc_mark): link 2 of NODE_IFUNC should not be explicitly
marked. it may contain non object pointer.
* re.c (reg_s_last_match): Regexp::last_match(nth) returns nth
substring of the match (alternative for $& and $<digit>).
* eval.c (rb_mod_define_method): wrong comparison for blocks.
* gc.c (id2ref): should handle Symbol too.
* gc.c (id2ref): should print original ptr value
* eval.c (rb_iterate): NODE_CFUNC does not protect its data
(nd_tval), so create new node NODE_IFUNC for iteration C
function.
* eval.c (rb_yield_0): use NODE_IFUNC.
* gc.c (rb_gc_mark): support NODE_IFUNC.
* gc.c (mem_error): prohibit recursive mem_error().
(ruby-bugs-ja:PR#36)
* eval.c (rb_thread_fd_writable): should not switch context if
rb_thread_critical is set.
* eval.c (rb_thread_wait_fd): ditto.
* eval.c (rb_thread_wait_for): ditto.
* eval.c (rb_thread_select): ditto.
* eval.c (rb_thread_join): join during critical section causes
deadlock.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1090 b2dd03c8-39d4-4d8f-98ff-823fe69b080e