WL#4350 Fix --record and no .result file

mysql-test/lib/mtr_cases.pm

@@ -699,6 +699,12 @@ sub collect_one_test_case {
     # should fail by default
     $tinfo->{result_file}= $result_file;
   }
+  else {
+    # No .result file exist
+    # Remember the path  where it should be
+    # saved in case of --record
+    $tinfo->{record_file}= $result_file;
+  }
 
   # ----------------------------------------------------------------------
   # Skip some tests but include in list, just mark them as skipped

mysql-test/mysql-test-run.pl

@@ -2638,12 +2638,14 @@ sub do_before_run_mysqltest($)
   my $tinfo= shift;
 
   # Remove old files produced by mysqltest
-  my $base_file= mtr_match_extension($tinfo->{'result_file'},
+  my $base_file= mtr_match_extension($tinfo->{result_file},
 				     "result"); # Trim extension
+  if (defined $base_file ){
     unlink("$base_file.reject");
     unlink("$base_file.progress");
     unlink("$base_file.log");
     unlink("$base_file.warnings");
+  }
 
   if ( $mysql_version_id < 50000 ) {
     # Set environment variable NDB_STATUS_OK to 1
@@ -4332,6 +4334,7 @@ sub start_mysqltest ($) {
   if ( $opt_record )
   {
     mtr_add_arg($args, "--record");
+    mtr_add_arg($args, "--result-file=%s", $tinfo->{record_file});
   }
 
   if ( $opt_client_gdb )