From: Richard Guenther <rguenther@suse.de>
Date: Sun, 7 Feb 2010 17:18:22 +0000 (+0000)
Subject: re PR debug/42991 (cfgexpand.c:2487: Conditional jump or move depends on uninitialise... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=997ac87bfe31c5243b76eb60ea8062c4dadda966;p=gcc.git

re PR debug/42991 (cfgexpand.c:2487: Conditional jump or move depends on uninitialised value(s))

2010-02-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42991
	* expr.c (get_inner_reference): Always initialize *pbitsize.

From-SVN: r156575
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c05b65858a7..d3ef1143950 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-07  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/42991
+	* expr.c (get_inner_reference): Always initialize *pbitsize.
+
 2010-02-07  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/42956
diff --git a/gcc/expr.c b/gcc/expr.c
index d1cd815dd9b..caf64ede233 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5968,6 +5968,7 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
 
   /* First get the mode, signedness, and size.  We do this from just the
      outermost expression.  */
+  *pbitsize = -1;
   if (TREE_CODE (exp) == COMPONENT_REF)
     {
       tree field = TREE_OPERAND (exp, 1);