From ed1d6660d129085f1aaf2d903eed1e2ea7ace098 Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 15 Apr 2013 15:28:52 +0000
Subject: merge revision(s) 40124: [Backport #8220]

	* compile.c (iseq_compile_each): fix of defined? with empty
	  expression.  [ruby-core:53999] [Bug #8220]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@40312 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 compile.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'compile.c')

diff --git a/compile.c b/compile.c
index 14e285420f..2753cf80eb 100644
--- a/compile.c
+++ b/compile.c
@@ -5161,7 +5161,12 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 	break;
       }
       case NODE_DEFINED:{
-	if (!poped) {
+	if (poped) break;
+	if (!node->nd_head) {
+	    VALUE str = rb_iseq_defined_string(DEFINED_NIL);
+	    ADD_INSN1(ret, nd_line(node), putobject, str);
+	}
+	else {
 	    LABEL *lfinish[2];
 	    lfinish[0] = NEW_LABEL(line);
 	    lfinish[1] = 0;
-- 
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