[committed, PATCH] Add a testcase for PR target/65217

[H.J. Lu]

I checked in this to add a testcase for PR target/65217.

H.J.
Index: ChangeLog
===================================================================
--- ChangeLog   (revision 221008)
+++ ChangeLog   (working copy)
@@ -1,3 +1,8 @@
+2015-02-26  H.J. Lu  <hongjiu...@intel.com>
+
+       PR target/65217
+       * gcc.target/i386/pr65217.c: New.
+
 2015-02-26  Tom de Vries  <t...@codesourcery.com>
 
        * gcc.misc-tests/godump-1.c: Add missing cleanup of godump-1.out.
Index: gcc.target/i386/pr65217.c
===================================================================
--- gcc.target/i386/pr65217.c   (revision 0)
+++ gcc.target/i386/pr65217.c   (working copy)
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O" } */
+/* { dg-final { scan-assembler-not "negl" } } */
+/* { dg-final { scan-assembler-not "andl" } } */
+
+int 
+test(int n)
+{
+  if ((n & -n) != n)
+    __builtin_unreachable();
+  return n;
+}