From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Thu, 13 Oct 2011 09:36:47 +0000 (+0000)
Subject: gdb/
X-Git-Tag: sid-snapshot-20111101~183
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e103e98648ab7db6fbfe62faf3533ac4ffda743b;p=thirdparty%2Fbinutils-gdb.git

gdb/
	* dwarf2read.c (dwarf2_fetch_die_location_block): Initialize .data even
	if .size is 0.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 479d7cef17e..e58ca8009d0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-13  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* dwarf2read.c (dwarf2_fetch_die_location_block): Initialize .data even
+	if .size is 0.
+
 2011-10-13  Yao Qi  <yao@codesourcery.com>
 
 	PR gdb/12703
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 5fa6c5b3870..99f67d9c8d9 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -14217,8 +14217,10 @@ dwarf2_fetch_die_location_block (unsigned int offset,
   attr = dwarf2_attr (die, DW_AT_location, cu);
   if (!attr)
     {
-      /* DWARF: "If there is no such attribute, then there is no effect.".  */
+      /* DWARF: "If there is no such attribute, then there is no effect.".
+	 DATA is ignored if SIZE is 0.  */
 
+      retval.data = NULL;
       retval.size = 0;
     }
   else if (attr_form_is_section_offset (attr))