From: Richard Guenther <rguenther@suse.de>
Date: Sun, 18 Sep 2005 14:15:19 +0000 (+0000)
Subject: re PR middle-end/23944 (segv in fold_indirect_ref_1 in fold-const.c:11505)
X-Git-Tag: misc/cutover-cvs2svn~568
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c2953725717c182dbc606bf9454af29e30918ccf;p=thirdparty%2Fgcc.git

re PR middle-end/23944 (segv in fold_indirect_ref_1 in fold-const.c:11505)

2005-09-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/23944
	* gimplify.c (fold_indirect_ref_rhs): Fix thinko in
	fallback.

	* gcc.c-torture/compile/pr23944.c: New testcase.

From-SVN: r104402
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 131c3b7934bb..eb03f70d6ed5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-18  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/23944
+	* gimplify.c (fold_indirect_ref_rhs): Fix thinko in
+	fallback.
+
 2005-09-18  Paul Brook  <paul@codesourcery.com>
 
 	* config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index cdb8a33e46df..cba1704e8a0a 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -2950,9 +2950,10 @@ fold_indirect_ref_rhs (tree t)
     {
       tree type_domain;
       tree min_val = size_zero_node;
+      tree osub = sub;
       sub = fold_indirect_ref_rhs (sub);
       if (! sub)
-	sub = build1 (INDIRECT_REF, TREE_TYPE (subtype), sub);
+	sub = build1 (INDIRECT_REF, TREE_TYPE (subtype), osub);
       type_domain = TYPE_DOMAIN (TREE_TYPE (sub));
       if (type_domain && TYPE_MIN_VALUE (type_domain))
         min_val = TYPE_MIN_VALUE (type_domain);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4424bd8ec92e..b02eaa619a29 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-09-18  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/23944
+	* gcc.c-torture/compile/pr23944.c: New testcase.
+
 2005-09-18  Erik Edelmann  <erik.edelmann@iki.fi>
 
 	PR fortran/15975
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr23944.c b/gcc/testsuite/gcc.c-torture/compile/pr23944.c
new file mode 100644
index 000000000000..45bed7e5d6eb
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr23944.c
@@ -0,0 +1,4 @@
+float f(float src[][4])
+{
+ return *(src[3]);
+}