1 files changed, 15 insertions, 0 deletions
diff --git a/test/ruby/test_primitive.rb b/test/ruby/test_primitive.rb
index e87028c860..448349fcbb 100644
--- a/test/ruby/test_primitive.rb
+++ b/test/ruby/test_primitive.rb
@@ -405,5 +405,20 @@ class TestRubyPrimitive < Test::Unit::TestCase
     bug3658 = '[ruby-dev:41933]'
     [0, *x=1]
     assert_equal(1, x, bug3658)
+    [0, *x=1, 2]
+    assert_equal(1, x, bug3658)
+    class << (x = Object.new)
+      attr_accessor :to_a_called
+      def to_a
+        @to_a_called = true
+        [self]
+      end
+    end
+    x.to_a_called = false
+    [0, *x]
+    assert(x.to_a_called, bug3658)
+    x.to_a_called = false
+    [0, *x, 2]
+    assert(x.to_a_called, bug3658)
   end
 end