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merge revision(s) 49221: [Backport #10731]

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* vm_method.c (rb_alias): raise a NameError when creating alias to
	  a refined method if the original method of the refined method is
	  not defined.  [ruby-core:67523] [Bug #10731]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@49425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2015-01-27 08:06:50 +00:00
parent 169ec127e0
commit d604893f20
4 changed files with 35 additions and 2 deletions
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4
vm_method.c
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@ -1221,7 +1221,9 @@ rb_alias(VALUE klass, ID name, ID def)
again:
orig_me = search_method(klass, def, &defined_class);
if (UNDEFINED_METHOD_ENTRY_P(orig_me)) {
if (UNDEFINED_METHOD_ENTRY_P(orig_me) ||
(orig_me->def->type == VM_METHOD_TYPE_REFINED &&
UNDEFINED_METHOD_ENTRY_P(orig_me->def->body.orig_me))) {
if ((!RB_TYPE_P(klass, T_MODULE)) ||
(orig_me = search_method(rb_cObject, def, 0),
UNDEFINED_METHOD_ENTRY_P(orig_me))) {