parse.y: invalid symbol

* parse.y (parser_yylex): ':' separated by a comment and a newline
  is not valid as symbol.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52418 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index a047454513..552cf5cd00 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -612,6 +612,12 @@ eom
     end
   end
 
+  def test_invalid_symbol_space
+    assert_syntax_error(": foo", /unexpected ':'/)
+    assert_syntax_error(": #\n foo", /unexpected ':'/)
+    assert_syntax_error(":#\n foo", /unexpected ':'/)
+  end
+
   private
 
   def not_label(x) @result = x; @not_label ||= nil end