* gc.c (gc_start): force to invoke GC by GC.start

  even if it is GC.disable'd.

* test/ruby/test_gc.rb: add a test.




git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ruby/test_gc.rb b/test/ruby/test_gc.rb
index 0ed592b285..ff0696bce5 100644
--- a/test/ruby/test_gc.rb
+++ b/test/ruby/test_gc.rb
@@ -385,4 +385,15 @@ class TestGc < Test::Unit::TestCase
       C.new
     end;
   end
+
+  def test_gc_disabled_start
+    begin
+      disabled = GC.disable
+      c = GC.count
+      GC.start
+      assert_equal 1, GC.count - c
+    ensure
+      GC.enable unless disabled
+    end
+  end
 end