990917

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@529 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index b6ad7b596..1603a0b6d 100644
--- a/parse.y
+++ b/parse.y
@@ -626,7 +626,9 @@ arg		: lhs '=' arg
 			}
 			else {
 			    $$ = $<node>3;
-			    $$->nd_value = call_op(gettable($1), $2, 1, $4);
+			    if ($$) {
+				$$->nd_value = call_op(gettable($1),$2,1,$4);
+			    }
 			}
 			fixpos($$, $4);
 		    }