Merge GDB 7.5.1

gdb/testsuite/gdb.base/unwindonsignal.exp

 # Copyright 2008, 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 [target_info exists gdb,noinferiorio] {
     verbose "Skipping unwindonsignal.exp because of no fileio capabilities."
     continue
 }
 
 if [target_info exists gdb,nosignals] {
     verbose "Skipping unwindonsignal.exp because of nosignals."
     continue
 }
 
@@ skipping 62 matching lines @@
         "unwindonsignal, dummy frame removed" {
     -re "\[\r\n\]*.*stack=.*code=.*\[\r\n\]+$gdb_prompt $" {
         fail "unwindonsignal, dummy frame removed"
     }
     -re "\[\r\n\]+$gdb_prompt $" {
         pass "unwindonsignal, dummy frame removed"
     }
 }
 
 return 0