parse.y: preserve cmdarg_stack

* parse.y (brace_body, do_body): preserve cmdarg_stack so that
  `do` after cmdarg in a block should be `do_block` and bound to
  the outer method.  [ruby-core:72482] [Bug #11873]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 965ef3e577..fcec8c955c 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -840,6 +840,27 @@ eom
     assert_valid_syntax %q{a b(c(d)), :e do end}, bug11873
   end
 
+  def test_block_after_cmdarg_in_paren
+    bug11873 = '[ruby-core:72482] [Bug #11873]'
+    def bug11873.p(*);end;
+
+    assert_raise(LocalJumpError, bug11873) do
+      bug11873.instance_eval do
+        p p{p p;p(p)}, tap do
+          raise SyntaxError, "should not be passed to tap"
+        end
+      end
+    end
+
+    assert_raise(LocalJumpError, bug11873) do
+      bug11873.instance_eval do
+        p p{p(p);p p}, tap do
+          raise SyntaxError, "should not be passed to tap"
+        end
+      end
+    end
+  end
+
   private
 
   def not_label(x) @result = x; @not_label ||= nil end