Add a test for PR66655

	PR target/66655
	* g++.dg/pr66655.C: New test.
	* g++.dg/pr66655_1.cc: Test support file.
	* g++.dg/pr66655.h: Test header file.

From-SVN: r232133

gcc/testsuite/ChangeLog

+2016-01-07  Nick Clifton  <nickc@redhat.com>
+
+	PR target/66655
+	* g++.dg/pr66655.C: New test.
+	* g++.dg/pr66655_1.cc: Test support file.
+	* g++.dg/pr66655.h: Test header file.
+
 2016-01-07  Dominique d'Humieres <dominiq@lps.ens.fr>
 
 	PR fortran/66680

gcc/testsuite/g++.dg/pr66655.C

+/* { dg-do run } */
+/* { dg-additional-sources "pr66655_1.cc" } */
+
+#include "pr66655.h"
+
+extern "C" void abort (void);
+
+#define COOKIE 0xabcd0123
+
+int
+g (void)
+{
+  return COOKIE;
+}
+
+extern int f (void);
+
+int
+main (void)
+{
+  S::set(0);
+  if (f () != COOKIE)
+    abort ();
+  return 0;
+}

gcc/testsuite/g++.dg/pr66655.h

+struct S
+{
+  static int i;
+  static void set (int ii) { i = -ii; }
+};

gcc/testsuite/g++.dg/pr66655_1.cc

+#include "pr66655.h"
+
+extern int g (void);
+
+int S::i;
+
+int
+f (void)
+{
+  int ret = g ();
+
+  S::set (ret);
+  return ret;
+}