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vm_method.c: alias warning at refined method

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* vm_method.c (rb_method_entry_make): suppress a warning at
  refined method which will not be redefined.
  [ruby-core:82385] [Bug #13817]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-17 14:58:11 +00:00
parent 3fa2183614
commit 0db193f98d
2 changed files with 18 additions and 0 deletions
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17
test/ruby/test_refinement.rb
View file

@ -1944,6 +1944,23 @@ class TestRefinement < Test::Unit::TestCase
end
end
def test_refined_method_alias_warning
c = Class.new do
def t; :t end
def f; :f end
end
Module.new do
refine(c) do
alias foo t
end
end
assert_warning('', '[ruby-core:82385] [Bug #13817] refined method is not redefined') do
c.class_eval do
alias foo f
end
end
end
private
def eval_using(mod, s)

1
vm_method.c
View file

@ -541,6 +541,7 @@ rb_method_entry_make(VALUE klass, ID mid, VALUE defined_class, rb_method_visibil
if (RTEST(ruby_verbose) &&
type != VM_METHOD_TYPE_UNDEF &&
(old_def->alias_count == 0) &&
!make_refined &&
old_def->type != VM_METHOD_TYPE_UNDEF &&
old_def->type != VM_METHOD_TYPE_ZSUPER &&
old_def->type != VM_METHOD_TYPE_ALIAS) {