From: Tom de Vries <tom@codesourcery.com>
Date: Fri, 4 Nov 2011 11:44:50 +0000 (+0000)
Subject: re PR tree-optimization/50763 (ICE: verify_gimple failed: missing PHI def with -ftree... 
X-Git-Tag: releases/gcc-4.7.0~2506
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a042b4748a8421619460750e7dda0abda063e25;p=thirdparty%2Fgcc.git

re PR tree-optimization/50763 (ICE: verify_gimple failed: missing PHI def with -ftree-tail-merge)

2011-11-04  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/50763
	* gcc.dg/pr50763-5.c: New test.

From-SVN: r180940
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fd2cfacf8ba4..2ef228e86b12 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-04  Tom de Vries  <tom@codesourcery.com>
+
+	PR tree-optimization/50763
+	* gcc.dg/pr50763-5.c: New test.
+
 2011-11-04  Tom de Vries  <tom@codesourcery.com>
 
 	PR tree-optimization/50763
diff --git a/gcc/testsuite/gcc.dg/pr50763-5.c b/gcc/testsuite/gcc.dg/pr50763-5.c
new file mode 100644
index 000000000000..e5952d09c863
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr50763-5.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-tail-merge" } */
+
+struct inode
+{
+  unsigned short i_mode;
+  unsigned int i_flags;
+};
+
+static inline int
+is_sxid (unsigned int mode)
+{
+  return (mode & 0004000) || ((mode & 0002000) && (mode & 00010));
+};
+
+void
+gfs2_set_inode_flags (int ip, struct inode *inode)
+{
+  unsigned int flags = inode->i_flags;
+  if ((ip == 0) && !is_sxid (inode->i_mode))
+    inode->i_flags |= 4096;
+  inode->i_flags = flags;
+}