compile.c: assignment result of aset_with

* compile.c (iseq_compile_each): result of assignment should be
  its rhs instead of returned value from a method.
  [ruby-core:60071] [Bug #9448]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_assignment.rb b/test/ruby/test_assignment.rb
index e38b20b285..df646df429 100644
--- a/test/ruby/test_assignment.rb
+++ b/test/ruby/test_assignment.rb
@@ -692,4 +692,14 @@ class TestAssignmentGen < Test::Unit::TestCase
       check(assign)
     }
   end
+
+  def test_optimized_aset
+    bug9448 = Class.new do
+      def []=(key, new_value)
+        '[ruby-core:60071] [Bug #9448]'
+      end
+    end
+    o = bug9448.new
+    assert_equal("ok", o['current'] = "ok")
+  end
 end