object.c: avoid inadvertent symbol creation

* object.c (rb_mod_const_set): avoid inadvertent symbol creation.
  (rb_obj_ivar_set): ditto.
  (rb_mod_cvar_set): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/test/-ext-/symbol/test_inadvertent_creation.rb b/test/-ext-/symbol/test_inadvertent_creation.rb
index 247a42cab3..4b9ab1062d 100644
--- a/test/-ext-/symbol/test_inadvertent_creation.rb
+++ b/test/-ext-/symbol/test_inadvertent_creation.rb
@@ -193,5 +193,26 @@ module Test_Symbol
       assert_raise(NoMethodError) {[1, 2].inject(name)}
       assert_not_send([Bug::Symbol, :interned?, name])
     end
+
+    def test_module_const_set
+      name = noninterned_name
+      mod = Module.new
+      assert_raise(NameError) {mod.const_set(name, true)}
+      assert_not_send([Bug::Symbol, :interned?, name])
+    end
+
+    def test_module_cvar_set
+      name = noninterned_name
+      mod = Module.new
+      assert_raise(NameError) {mod.class_variable_set(name, true)}
+      assert_not_send([Bug::Symbol, :interned?, name])
+    end
+
+    def test_object_ivar_set
+      name = noninterned_name
+      obj = Object.new
+      assert_raise(NameError) {obj.instance_variable_set(name, true)}
+      assert_not_send([Bug::Symbol, :interned?, name])
+    end
   end
 end