parse.y: massign in cond

* parse.y (assign_in_cond): allow multiple assignment in
  conditional expression.  [Feature #10617]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/test/ruby/test_assignment.rb b/test/ruby/test_assignment.rb
index daf1f0a9be..41c14d3a44 100644
--- a/test/ruby/test_assignment.rb
+++ b/test/ruby/test_assignment.rb
@@ -552,6 +552,11 @@ class TestAssignment < Test::Unit::TestCase
     a, b = Base::A, Base::B
     assert_equal [3,4], [a,b]
   end
+
+  def test_massign_in_cond
+    result = eval("if (a, b = MyObj.new); [a, b]; end", nil, __FILE__, __LINE__)
+    assert_equal [[1,2],[3,4]], result
+  end
 end
 
 require_relative 'sentence'
diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 42df89189c..9f83598ceb 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -781,7 +781,7 @@ x = __ENCODING__
   end
 
   def test_assign_in_conditional
-    assert_raise(SyntaxError) do
+    assert_nothing_raised do
       eval <<-END, nil, __FILE__, __LINE__+1
         (x, y = 1, 2) ? 1 : 2
       END