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

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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
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Tue Nov 23 18:54:03 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm.c (rb_thread_mark): should mark self in conrol
frames. [ruby-core:33289]
Tue Nov 23 07:57:31 2010 Tadayoshi Funaba <tadf@dotrb.org>
* lib/date/delta/parser.{ry,rb}: fixed a bug of token scanner.

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

1
vm.c
View file

@ -1644,6 +1644,7 @@ rb_thread_mark(void *ptr)
while (cfp != limit_cfp) {
rb_iseq_t *iseq = cfp->iseq;
rb_gc_mark(cfp->proc);
rb_gc_mark(cfp->self);
if (iseq) {
rb_gc_mark(RUBY_VM_NORMAL_ISEQ_P(iseq) ? iseq->self : (VALUE)iseq);
}