* vm_insnhelper.c: Fix symbol leak with +send+ and method_missing [#10828]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index db0d135b90..5d2e2c3267 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -258,4 +258,20 @@ class TestSymbol < Test::Unit::TestCase
       10.times { 42.send "send should not leak #{i} - sym".to_sym rescue nil }
     end
   end
+
+  def test_symbol_send_leak_string_custom_method_missing
+    x = Object.new
+    def x.method_missing(*); end
+    assert_no_immortal_symbol_created do
+      10.times { |i| x.send "send should not leak #{i} - str mm" }
+    end
+  end
+
+  def test_symbol_send_leak_symbol_custom_method_missing
+    x = Object.new
+    def x.method_missing(*); end
+    assert_no_immortal_symbol_created do
+      10.times { |i| x.send "send should not leak #{i} - sym mm".to_sym }
+    end
+  end
 end