From 0b2d8352d25730408e9bfbbd5df7fca31d0fab82 Mon Sep 17 00:00:00 2001
From: ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 22 Sep 2006 13:52:29 +0000
Subject: 	PR other/29176 	* cp-demangle.c (d_substitution): Check for
 overflow when 	computing substitution index.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117144 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libiberty/cp-demangle.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libiberty/cp-demangle.c')

diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index c7ee8786d92..2fa59785f2f 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -2505,6 +2505,8 @@ d_substitution (struct d_info *di, int prefix)
 		id = id * 36 + c - 'A' + 10;
 	      else
 		return NULL;
+	      if (id < 0)
+		return NULL;
 	      c = d_next_char (di);
 	    }
 	  while (c != '_');
-- 
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