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vm_method.c: resolve refined method to undef

* vm_method.c (rb_undef): resolve the method entry which refines a
  prepended method entry.  [ruby-core:78944] [Bug #13096]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-01-18 05:23:53 +00:00
parent 54a77d2044
commit b38823ceca
2 changed files with 23 additions and 1 deletions

View file

@ -1474,6 +1474,25 @@ class TestRefinement < Test::Unit::TestCase
INPUT
end
def test_undef_prepended_method
bug13096 = '[ruby-core:78944] [Bug #13096]'
klass = EnvUtil.labeled_class("X") do
def foo; end
end
klass.prepend(Module.new)
ext = EnvUtil.labeled_module("Ext") do
refine klass do
def foo
end
end
end
assert_nothing_raised(NameError, bug13096) do
klass.class_eval do
undef :foo
end
end
end
def test_call_refined_method_in_duplicate_module
bug10885 = '[ruby-dev:48878]'
assert_in_out_err([], <<-INPUT, [], [], bug10885)

View file

@ -1171,7 +1171,7 @@ rb_attr(VALUE klass, ID id, int read, int write, int ex)
void
rb_undef(VALUE klass, ID id)
{
rb_method_entry_t *me;
const rb_method_entry_t *me;
if (NIL_P(klass)) {
rb_raise(rb_eTypeError, "no class to undef method");
@ -1182,6 +1182,9 @@ rb_undef(VALUE klass, ID id)
}
me = search_method(klass, id, 0);
if (me && me->def->type == VM_METHOD_TYPE_REFINED) {
me = rb_resolve_refined_method(Qnil, me);
}
if (UNDEFINED_METHOD_ENTRY_P(me) ||
UNDEFINED_REFINED_METHOD_P(me->def)) {