From 04ad99e60b4658ff3e7565000b5862c74cce2729 Mon Sep 17 00:00:00 2001
From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Mon, 11 Jul 2011 13:40:24 +0000
Subject: gdb/ 	* dwarf2expr.c (read_sleb128): Fix signed extension
 overflowing host 	`int'.

gdb/testsuite/
	* gdb.dwarf2/dw2-const.S (Pointer size): Change from 4 to 8.
	(DW_AT_high_pc, DW_AT_low_pc): Remove them.
	(val8, .Ltype_const8, .Ltype_int8, DW_TAG_variable): New.
	* gdb.dwarf2/dw2-const.exp (print/x val8): New test.
---
 gdb/dwarf2expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gdb/dwarf2expr.c')

diff --git a/gdb/dwarf2expr.c b/gdb/dwarf2expr.c
index 4522eb8..b23ad9a 100644
--- a/gdb/dwarf2expr.c
+++ b/gdb/dwarf2expr.c
@@ -418,7 +418,7 @@ read_sleb128 (const gdb_byte *buf, const gdb_byte *buf_end, LONGEST * r)
 	break;
     }
   if (shift < (sizeof (*r) * 8) && (byte & 0x40) != 0)
-    result |= -(1 << shift);
+    result |= -(((LONGEST) 1) << shift);
 
   *r = result;
   return buf;
-- 
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