diff options
Diffstat (limited to 'test/ruby/test_iseq.rb')
-rw-r--r-- | test/ruby/test_iseq.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/ruby/test_iseq.rb b/test/ruby/test_iseq.rb index 4f7616a0db..7af8c1b11b 100644 --- a/test/ruby/test_iseq.rb +++ b/test/ruby/test_iseq.rb @@ -185,4 +185,31 @@ class TestISeq < Test::Unit::TestCase labels = body.select {|op, arg| op == :branchnil}.map {|op, arg| arg} assert_equal(1, labels.uniq.size) end + + def test_parent_iseq_mark + assert_separately([], <<-'end;') + ->{ + ->{ + ->{ + eval <<-EOS + class Segfault + define_method :segfault do + x = nil + GC.disable + 1000.times do |n| + n.times do + x = (foo rescue $!).local_variables + end + GC.start + end + x + end + end + EOS + }.call + }.call + }.call + at_exit { assert_equal([:n, :x], Segfault.new.segfault.sort) } + end; + end end |