From 21f6bb283f3eac8e723a23f0a7f78ffcfe574540 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 29 Jan 2015 13:22:45 +0000
Subject: parse.y: no optimization in defined?

* parse.y (logop_gen): no needs for optimization in defined?
  operator.  literal conditions are optimized away eventually.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49439 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/parse.y b/parse.y
index 41f26215d9..ddb261c8d3 100644
--- a/parse.y
+++ b/parse.y
@@ -9678,7 +9678,7 @@ logop_gen(struct parser_params *parser, enum node_type type, NODE *left, NODE *r
 {
     value_expr(left);
     if (!left) {
-	if (type == NODE_AND) return 0;
+	if (!in_defined && type == NODE_AND) return 0;
 	/* make NODE_OR not to be "void value expression" */
     }
     else if ((enum node_type)nd_type(left) == type) {
@@ -9689,7 +9689,7 @@ logop_gen(struct parser_params *parser, enum node_type type, NODE *left, NODE *r
 	node->nd_2nd = NEW_NODE(type, second, right, 0);
 	return left;
     }
-    else {
+    else if (!in_defined) {
 	switch (nd_type(left)) {
 	  case NODE_NIL:
 	  case NODE_FALSE:
-- 
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