Merge GDB 7.5.1

gdb/testsuite/gdb.dwarf2/dw4-sig-type-unused.exp

 # Copyright 2011-2012 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,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 load_lib dwarf.exp
 
 # This test can only be run on targets which support DWARF-2 and use gas.
 if {![dwarf2_support]} {
     return 0  
 }
 
-set testfile "dw4-sig-type-unused"
-set srcfile ${testfile}.S
-set executable ${testfile}.x
-set binfile ${objdir}/${subdir}/${executable}
+standard_testfile .S
+set executable ${testfile}
 
 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {}] != "" } {
     return -1
 }
 
 set saved_gdbflags $GDBFLAGS
 set GDBFLAGS "$GDBFLAGS --readnow"
 clean_restart $executable
 set GDBFLAGS $saved_gdbflags
 
 gdb_test "p 1" " = 1" "alive"