Fix tools/run-tests.py --report when tests are specified on the command line

tools/run-tests.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 280 matching lines @@
     "arch": arch,
     "system": utils.GuessOS(),
     "isolates": options.isolates
   }
   all_tests = []
   num_tests = 0
   test_id = 0
   for s in suites:
     s.ReadStatusFile(variables)
     s.ReadTestCases(ctx)
-    all_tests += s.tests
     if len(args) > 0:
       s.FilterTestCasesByArgs(args)
+    all_tests += s.tests
     s.FilterTestCasesByStatus(options.warn_unused)
     if options.cat:
       verbose.PrintTestSource(s.tests)
       continue
     variant_flags = s.VariantFlags() or VARIANT_FLAGS
     s.tests = [ t.CopyAddingFlags(v) for t in s.tests for v in variant_flags ]
     s.tests = ShardTests(s.tests, options.shard_count, options.shard_run)
     num_tests += len(s.tests)
     for t in s.tests:
       t.id = test_id
@@ skipping 46 matching lines @@
   except KeyboardInterrupt:
     return 1
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())