Invoke gdb with -batch to avoid prompts

	* lib/gcc-gdb-test.exp (gdb-test): Make log message match command.
	Invoke gdb with -batch.
	* lib/gcc-simulate-thread.exp (simulate-thread): Likewise.

From-SVN: r233930

gcc/testsuite/ChangeLog

+2016-03-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* lib/gcc-gdb-test.exp (gdb-test): Make log message match command.
+	Invoke gdb with -batch.
+	* lib/gcc-simulate-thread.exp (simulate-thread): Likewise.
+
 2016-03-03  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/55936

gcc/testsuite/lib/gcc-gdb-test.exp

@@ -73,8 +73,8 @@ proc gdb-test { args } {
     puts $fd "quit"
     close $fd
 
-    send_log "Spawning: $gdb_name -nx -nw -quiet -x $cmd_file ./$output_file\n"
-    set res [remote_spawn target "$gdb_name -nx -nw -quiet -x $cmd_file ./$output_file"]
+    send_log "Spawning: $gdb_name -nx -nw -quiet -batch -x $cmd_file ./$output_file\n"
+    set res [remote_spawn target "$gdb_name -nx -nw -quiet -batch -x $cmd_file ./$output_file"]
     if { $res < 0 || $res == "" } {
 	unsupported "$testname"
 	file delete $cmd_file

gcc/testsuite/lib/gcc-simulate-thread.exp

@@ -49,8 +49,8 @@ proc simulate-thread { args } {
 
     set message "thread simulation test"
 
-    send_log "Spawning: $gdb_name -nx -nw -quiet -x $cmd_file ./$exec_file\n"
-    set res [remote_spawn target "$gdb_name -nx -nw  -x $cmd_file ./$exec_file"]
+    send_log "Spawning: $gdb_name -nx -nw -batch -x $cmd_file ./$exec_file\n"
+    set res [remote_spawn target "$gdb_name -nx -nw -batch -x $cmd_file ./$exec_file"]
     if { $res < 0 || $res == "" } {
 	unsupported "$testcase $message"
 	return