Merge GDB 7.5.1

gdb/testsuite/gdb.dwarf2/dw2-var-zero-addr.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 dw2-var-zero-addr
-if [prepare_for_testing ${testfile}.exp ${testfile} [list ${testfile}.S main.c] {nodebug}] {
+standard_testfile .S main.c
+
+if [prepare_for_testing ${testfile}.exp ${testfile} \
+        [list $srcfile $srcfile2] {nodebug}] {
     return -1
 }
 
 # FAIL was: = (int *) 0x0
 # Such DIE record can be produced using: gcc -fdata-sections -Wl,-gc-sections
 gdb_test "print &var" {No symbol "var" in current context\.}