vm_insnhelper.c: blockparamproxy in rescue

* vm_insnhelper.c (vm_call_opt_block_call): get block handler from
  the method local frame.  fix segfault at calling the proxy in
  rescue.  http://twitter.com/wannabe53/status/970955247626567680

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index 2ef5b5e080..38da8b6c45 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -741,4 +741,16 @@ class TestRubyOptimization < Test::Unit::TestCase
     end
     assert_equal(:ok, obj.a())
   end
+
+  def test_blockparam_in_rescue
+    obj = Object.new
+    def obj.foo(&b)
+      raise
+    rescue
+      b.call
+    end
+    result = nil
+    assert_equal(42, obj.foo {result = 42})
+    assert_equal(42, result)
+  end
 end