Merge GDB 7.5.1

gdb/testsuite/gdb.base/structs2.c

 /* pr 13536 */
 
 static void param_reg (register signed char pr_char,
                        register unsigned char pr_uchar,
                        register short pr_short,
                        register unsigned short pr_ushort);
 
 int bkpt;
 
 int
 main ()
 {
-#ifdef usestubs
-  set_debug_traps ();
-  breakpoint ();
-#endif
 
   bkpt = 0;
   param_reg (120, 130, 32000, 33000);
   param_reg (130, 120, 33000, 32000);
 
   return 0;
 }
 
 static void dummy () {}
 
 static void
 param_reg(register signed char pr_char,
           register unsigned char pr_uchar,
           register short pr_short,
           register unsigned short pr_ushort)
 {
   bkpt = 1;
   dummy ();
   pr_char = 1;
   pr_uchar = pr_short = pr_ushort = 1;
   dummy ();
 }