Merge GDB 7.5.1

gdb/testsuite/gdb.base/set-noassign.exp

-#Copyright 2010-2012 Free Software Foundation, Inc.
+# Copyright 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/>.
 
-set testfile pr10687
-set srcfile ${testfile}.cc
-if [prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}] {
+
+if { [prepare_for_testing set-noassign.exp "set-noassign" start.c {debug nowarnings}] } {
     return -1
 }
 
 if ![runto_main] then {
     fail "Can't run to main"
-    return
+    return 0
 }
 
-gdb_breakpoint [gdb_get_line_number "marker"]
-gdb_continue_to_breakpoint "marker"
+# Verify that set command without assignment emits a warning.
+#
+gdb_test "set language ada" ".*" "set language ada"
 
-gdb_test "p a" "{static axis = {{static axis = <same as static member of an already.*"
-
+gdb_test "set x=3" \
+        "warning: Expression is not an assignment \\(and might have no effect\\)" \
+        "warning for set without assignment"