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* vm_insnhelper.c (vm_callee_setup_arg_complex, vm_yield_setup_block_args):

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clear keyword arguments to prevent GC bug which occurs
  while marking VM stack.
  [ruby-dev:47729] [Bug #8964]

* test/ruby/test_keyword.rb: tests for the above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43081 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ktsj 2013-09-29 09:50:24 +00:00
parent 202cc8e615
commit 94f5787130
3 changed files with 37 additions and 0 deletions
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19
test/ruby/test_keyword.rb
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@ -396,4 +396,23 @@ class TestKeywordArguments < Test::Unit::TestCase
assert_equal([{}, {}], a.new.foo({}))
assert_equal([{}, {:bar=>"x"}], a.new.foo({}, bar: "x"))
end
def test_gced_object_in_stack
bug8964 = '[ruby-dev:47729] [Bug #8964]'
assert_normal_exit %q{
def m(a: [])
end
GC.stress = true
tap { m }
GC.start
tap { m }
}, bug8964
assert_normal_exit %q{
prc = Proc.new {|a: []|}
GC.stress = true
tap { prc.call }
GC.start
tap { prc.call }
}, bug8964
end
end