Merge GDB 7.5.1

gdb/testsuite/gdb.cp/anon-union.exp

 # Tests for anonymous union support.
 # Copyright 1998-1999, 2003-2004, 2007-2012 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/>.
 
 # Written by Satish Pai <pai@apollo.hp.com> 1997-08-19
 
 # This file is part of the gdb testsuite
 
-if $tracelevel then {
-        strace $tracelevel
-        }
-
 #
 # test running programs
 #
 
 
 if { [skip_cplus_tests] } { continue }
 
-set testfile "anon-union"
-set srcfile ${testfile}.cc
-set binfile ${objdir}/${subdir}/${testfile}
+standard_testfile .cc
 
-if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
-     perror "Testcase compile failed" 0
-     continue
+if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
+    return -1
 }
 
-# Start with a fresh gdb
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
-
-
 if ![runto_main] then {
     perror "couldn't run to breakpoint"
     continue
 }
 
 gdb_test_no_output "set width 0"
 
 #send_gdb "ptype foo\n"
 #gdb_expect {
 #   -re "\r\n$gdb_prompt $" {
@@ skipping 108 matching lines @@
 gdb_test "print z" "\\$\[0-9\]* = 45" "print z 2"
 
 # Set the anon union member 
 gdb_test_no_output "set var z = 27" "set var z"
 
 # See if the change in value is noticed
 gdb_test "print w" "\\$\[0-9\]* = 27" "print w 3"
 
 # See if z shows the same value
 gdb_test "print z" "\\$\[0-9\]* = 27" "print z 3"