From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 6 Jun 2011 17:46:00 +0000 (+0200)
Subject: re PR debug/49262 (3-yr-old infinite loop in dwarf2out.c)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=99a5e049bad4d20dc10a9934cac65102b6b82977;p=gcc.git

re PR debug/49262 (3-yr-old infinite loop in dwarf2out.c)

	PR debug/49262
	* dwarf2out.c (native_encode_initializer): Decrement count in each
	iteration.

From-SVN: r174715
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 967371c09f3..a4164a3eabf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2011-06-06  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/49262
+	* dwarf2out.c (native_encode_initializer): Decrement count in each
+	iteration.
+
 	PR debug/49294
 	* dwarf2out.c (mem_loc_descriptor) <do_shift>: Give up for
 	non-MODE_INT modes.
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 0fa7f91fa17..776066b275c 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -18065,7 +18065,7 @@ native_encode_initializer (tree init, unsigned char *array, int size)
 		{
 		  int count = tree_low_cst (TREE_OPERAND (index, 1), 0)
 			      - tree_low_cst (TREE_OPERAND (index, 0), 0);
-		  while (count > 0)
+		  while (count-- > 0)
 		    {
 		      if (val)
 			memcpy (array + curpos, array + pos, fieldsize);