enum.c: avoid inadvertent symbol creation

* enum.c (enum_inject): avoid inadvertent symbol creation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/-ext-/symbol/test_inadvertent_creation.rb b/test/-ext-/symbol/test_inadvertent_creation.rb
index 96a0dafc4b..247a42cab3 100644
--- a/test/-ext-/symbol/test_inadvertent_creation.rb
+++ b/test/-ext-/symbol/test_inadvertent_creation.rb
@@ -187,5 +187,11 @@ module Test_Symbol
       assert_not_send([Thread.current, :thread_variable?, name])
       assert_not_send([Bug::Symbol, :interned?, name])
     end
+
+    def test_enumerable_inject_op
+      name = noninterned_name
+      assert_raise(NoMethodError) {[1, 2].inject(name)}
+      assert_not_send([Bug::Symbol, :interned?, name])
+    end
   end
 end