Merge GDB 7.5.1

gdb/testsuite/gdb.base/call-signals.c

 /* This testcase is part of GDB, the GNU debugger.
 
    Copyright 2008, 2010-2012 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ skipping 40 matching lines @@
 }
 
 void
 null_hand_call ()
 {
 }
 
 int
 main ()
 {
-#ifdef usestubs
-  set_debug_traps ();
-  breakpoint ();
-#endif
-
 #ifdef SIG_SETMASK
   /* Ensure all the signals aren't blocked.
      The environment in which the testsuite is run may have blocked some
      for whatever reason.  */
   {
     sigset_t newset;
     sigemptyset (&newset);
     sigprocmask (SIG_SETMASK, &newset, NULL);
   }
 #endif
 
   signal (SIGABRT, handle_signal);
 
   /* Stop here so we can hand-call gen_signal.  */
   stop_one ();
 
   /* When we're resumed stop here.  */
   stop_two ();
 
   /* When we're resumed we generate a signal ourselves.  */
   gen_signal ();
 
   return 0;
 }