Merge GDB 7.5.1

gdb/testsuite/gdb.arch/system-gcore.exp

 # Copyright 2010-2012 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/>.
 
-if $tracelevel then {
-        strace $tracelevel
-}
-
 
 if { ![istarget i?86-*-linux*] && ![istarget x86_64-*-linux* ] } {
     verbose "Skipping system register gcore tests."
     return
 }
 
 set testfile "system-gcore"
 set srcfile  gcore.c
 set binfile  ${objdir}/${subdir}/${testfile}
 
@@ skipping 195 matching lines @@
 } else {
     fail "corefile restored stack array"
 }
 
 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
     pass "corefile restored backtrace"
 } else {
     fail "corefile restored backtrace"
 }