From 60fa63b819e12601eb4ad88faa52548ef389aabb Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 16 Feb 2008 11:13:47 +0000
Subject: [PATCH] * re.c (match_inspect): avoid SEGV with
 MatchData.allocate.inspect.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 4 ++++
 re.c      | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7d3508490f..c609c0d145 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Feb 16 20:12:47 2008  Tanaka Akira  <akr@fsij.org>
+
+	* re.c (match_inspect): avoid SEGV with MatchData.allocate.inspect.
+
 Sat Feb 16 19:04:17 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* string.c (str_strlen): revert r15507. [ruby-dev:33810]
diff --git a/re.c b/re.c
index 4867104250..90dae9ba9e 100644
--- a/re.c
+++ b/re.c
@@ -1510,6 +1510,10 @@ match_inspect(VALUE match)
     struct backref_name_tag *names;
     VALUE regexp = RMATCH(match)->regexp;
 
+    if (regexp == 0) {
+        return rb_sprintf("#<%s:%p>", cname, (void*)match);
+    }
+
     names = ALLOCA_N(struct backref_name_tag, num_regs);
     MEMZERO(names, struct backref_name_tag, num_regs);