From bce7601f73fa72465b65c3dacaddc21ac904ac92 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 14 Mar 2002 00:10:49 +0000
Subject: [PATCH] * string.c (rb_str_subpat_set): must make str independent
 after   rb_reg_search() matched.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 5 +++++
 string.c  | 1 +
 2 files changed, 6 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 68dce9e092..227f9d20cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,11 @@ Thu Mar 14 08:57:41 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
 
 	* dir.c (rb_push_glob): avoid SEGV when a block given.
 
+Thu Mar 14 00:16:02 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
+
+	* string.c (rb_str_subpat_set): must make str independent after
+	  rb_reg_search() matched.
+
 Wed Mar 13 19:05:15 2002  Akinori MUSHA  <knu@iDaemons.org>
 
 	* dir.c: FNM_PERIOD is obsoleted and FNM_DOTMATCH is introduced
diff --git a/string.c b/string.c
index d83913c0ee..41d697bce0 100644
--- a/string.c
+++ b/string.c
@@ -1252,6 +1252,7 @@ rb_str_subpat_set(str, re, nth, val)
     }
     end = RMATCH(match)->END(nth);
     len = end - start;
+    rb_str_modify(str);
     rb_str_update(str, start, len, val);
 }