gc.c: restore cfp at finalizer

* gc.c (run_finalizer): restore cfp for the case an exception
  raised in a finalizer.  [ruby-core:82432] [Bug #13832]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 23 insertions, 0 deletions

diff --git a/test/ruby/test_gc.rb b/test/ruby/test_gc.rb
index fa4d779069..f72a59aaf8 100644
--- a/test/ruby/test_gc.rb
+++ b/test/ruby/test_gc.rb
@@ -420,4 +420,27 @@ class TestGc < Test::Unit::TestCase
     skip "finalizers did not get run" if result.empty?
     assert_equal([:c1, :c2], result)
   end
+
+  def test_exception_in_finalizer_method
+    @result = []
+    def self.c1(x)
+      @result << :c1
+      raise
+    end
+    def self.c2(x)
+      @result << :c2
+      raise
+    end
+    tap {
+      tap {
+        obj = Object.new
+        ObjectSpace.define_finalizer(obj, method(:c1))
+        ObjectSpace.define_finalizer(obj, method(:c2))
+        obj = nil
+      }
+    }
+    GC.start
+    skip "finalizers did not get run" if @result.empty?
+    assert_equal([:c1, :c2], @result)
+  end
 end