archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-26 14:34:39 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

* vm.c (rb_thread_mark): should mark self in conrol

Browse source 
frames.  [ruby-core:33289]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2010-11-23 09:54:07 +00:00
parent b828fb85dd
commit 3c575a15c2
3 changed files with 29 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

23
test/ruby/test_optimization.rb
View file

@ -137,4 +137,27 @@ class TestRubyOptimization < Test::Unit::TestCase
assert_equal true, MyObj.new == nil
end
def test_tailcall
bug4082 = '[ruby-core:33289]'
option = {
tailcall_optimization: true,
trace_instruction: false,
}
iseq = RubyVM::InstructionSequence.new(<<-EOF, "Bug#4082", bug4082, nil, option).eval
class #{self.class}::Tailcall
def fact_helper(n, res)
if n == 1
res
else
fact_helper(n - 1, n * res)
end
end
def fact(n)
fact_helper(n, 1)
end
end
EOF
assert_equal(9131, Tailcall.new.fact(3000).to_s.size, bug4082)
end
end