Merge GDB 7.5.1

gdb/testsuite/gdb.base/scope0.c

 static int filelocal = 1;       /* In Data section */
 static int filelocal_bss;       /* In BSS section */
 #ifndef __STDC__
 #define const   /**/
 #endif
 static const int filelocal_ro = 201;    /* In Read-Only Data section */
 
 extern void init1();
 extern void foo();
 
 int autovars (int bcd, int abc);
 int localscopes (int x);
 int useit (int val);
 int useitp (const int *val);
 void init0();
 void marker1 ();
 void marker2 ();
 void marker3 ();
 void marker4 ();
 
 int main ()
 {
-#ifdef usestubs
-  set_debug_traps();
-  breakpoint();
-#endif
   init0 ();
   foo ();
   autovars (5, 6);
   localscopes (0);
 }
 
 /* On some systems, such as AIX, unreferenced variables are deleted
    from the executable.  On other compilers, such as ARM RealView,
    const variables without their address taken are deleted.  */
 void usestatics ()
@@ skipping 178 matching lines @@
             }
         }
     }
     return retval;
 }
 
 void marker1 () {}
 void marker2 () {}
 void marker3 () {}
 void marker4 () {}