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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49501 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 29 insertions, 0 deletions

diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index 5d2e2c3267..d1a4cec532 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -274,4 +274,33 @@ class TestSymbol < Test::Unit::TestCase
       10.times { |i| x.send "send should not leak #{i} - sym mm".to_sym }
     end
   end
+
+  def test_symbol_send_leak_string_no_optimization
+    assert_no_immortal_symbol_created do
+      10.times { 42.method(:send).call "send should not leak #{i} - str slow" rescue nil }
+    end
+  end
+
+  def test_symbol_send_leak_symbol_no_optimization
+    assert_no_immortal_symbol_created do
+      10.times { 42.method(:send).call "send should not leak #{i} - sym slow".to_sym rescue nil }
+    end
+  end
+
+  def test_symbol_send_leak_string_custom_method_missing_no_optimization
+    x = Object.new
+    def x.method_missing(*); end
+    assert_no_immortal_symbol_created do
+      10.times { |i| x.method(:send).call "send should not leak #{i} - str mm slow" }
+    end
+  end
+
+  def test_symbol_send_leak_symbol_custom_method_missing_no_optimization
+    x = Object.new
+    def x.method_missing(*); end
+    assert_no_immortal_symbol_created do
+      10.times { |i| x.method(:send).call "send should not leak #{i} - sym mm slow".to_sym }
+    end
+  end
+
 end