Merge GDB 7.5.1

gdb/testsuite/gdb.base/stack-checking.exp

 # Copyright 2008-2012 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
-}
-
 
 set testfile "stack-checking"
 set srcfile ${testfile}.c
 set binfile ${objdir}/${subdir}/${testfile}
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-fstack-check nowarnings]] != "" } {
      untested stack-checking.exp
      return -1
 }
 
@@ skipping 12 matching lines @@
 # hit. The frame number of "main" should be passed into MAIN_FRAME_NUMBER."
 proc backtrace_test {name main_frame_number} {
     gdb_continue_to_breakpoint "breakpoint for $name"
     gdb_test "bt" "#${main_frame_number}.*in main ().*"
 }
 
 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
 backtrace_test "small frame" "1"
 backtrace_test "medium frame" "2"
 backtrace_test "big frame" "2"