* parse.y (primary): primary_value may be 0 when syntax error.

  [ruby-talk:84893]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 6098e96cad..c37a5bea7a 100644
--- a/parse.y
+++ b/parse.y
@@ -1445,7 +1445,7 @@ primary		: literal
 		    }
 		| primary_value '[' aref_args ']'
 		    {
-			if (nd_type($1) == NODE_SELF)
+			if ($1 && nd_type($1) == NODE_SELF)
 			    $$ = NEW_FCALL(tAREF, $3);
 			else
 			    $$ = NEW_CALL($1, tAREF, $3);