From patchwork Wed Nov  7 10:53:34 2012
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Subject: [RFA,middle-end] Fix PR middle-end/49220
From: Kaz Kojima <kkojima@rr.iij4u.or.jp>
X-Patchwork-Id: 197646
Message-Id: <20121107.195334.420788682.kkojima@rr.iij4u.or.jp>
To: ubizjak@gmail.com
Cc: gcc-patches@gcc.gnu.org
Date: Wed, 07 Nov 2012 19:53:34 +0900 (JST)

Uros Bizjak <ubizjak@gmail.com> wrote:
> Please also add the testcase from the PR to the testsuite.

For the record, I've committed the testcase below from the PR.

Regards,
	kaz

---
2012-11-07  Kaz Kojima  <kkojima@gcc.gnu.org>

	* gcc.c-torture/compile/pr49220.c: New test.

--- ORIG/trunk/gcc/testsuite/gcc.c-torture/compile/pr49220.c	1970-01-01 09:00:00.000000000 +0900
+++ trunk/gcc/testsuite/gcc.c-torture/compile/pr49220.c	2012-11-07 19:29:26.000000000 +0900
@@ -0,0 +1,25 @@
+int array[2];
+
+static int
+func1 (int b)
+{
+  return b;
+}
+
+static int
+func2 (int a, int b)
+{
+  return b == 0 ? a : b;
+}
+
+int
+func3 (int a)
+{
+}
+
+int *
+func4 (int *arg)
+{
+  *arg = func1 ((func2 (func3 (array[0]), *arg)) | array[0]);
+  return &array[1];
+}