From 628ce22b27ee5839cde4a7e52f06ef7b556c6add Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 25 Jan 2011 19:50:56 +0000
Subject: 	PR tree-optimization/47265 	PR tree-optimization/47443 
 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false 	if
 name still has some uses.

	* gcc.c-torture/compile/pr47265.c: New test.
	* gcc.dg/pr47443.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169250 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/testsuite/ChangeLog                       |  7 +++++++
 gcc/testsuite/gcc.c-torture/compile/pr47265.c | 20 ++++++++++++++++++++
 gcc/testsuite/gcc.dg/pr47443.c                | 14 ++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr47265.c
 create mode 100644 gcc/testsuite/gcc.dg/pr47443.c

(limited to 'gcc/testsuite')

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b23f02dd465..24fbc0bba06 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2011-01-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/47265
+	PR tree-optimization/47443
+	* gcc.c-torture/compile/pr47265.c: New test.
+	* gcc.dg/pr47443.c: New test.
+
 2011-01-25  Martin Jambor  <mjambor@suse.cz>
 
 	PR tree-optimization/47382
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr47265.c b/gcc/testsuite/gcc.c-torture/compile/pr47265.c
new file mode 100644
index 00000000000..183c3f98621
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr47265.c
@@ -0,0 +1,20 @@
+/* PR tree-optimization/47265 */
+
+struct S
+{
+  char a[3];
+  char b[3];
+};
+
+void
+bar (char *dst, const char *src, unsigned n)
+{
+  while (n--)
+    *dst++ = *src ? *src++ : ' ';
+}
+
+void
+foo (struct S *s)
+{
+  bar (s->a, s->b, 3);
+}
diff --git a/gcc/testsuite/gcc.dg/pr47443.c b/gcc/testsuite/gcc.dg/pr47443.c
new file mode 100644
index 00000000000..fa7d6b98ad3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr47443.c
@@ -0,0 +1,14 @@
+/* PR tree-optimization/47443 */
+/* { dg-do compile } */
+/* { dg-options "-O -fstack-check=generic" } */
+
+static inline bar (char *c, int i)
+{
+  return c + i > c;
+}
+
+int foo ()
+{
+  char c[100];
+  return (bar (c, 1));
+}
-- 
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