Fix mem leaks in tests.

test/cctest/test-parsing.cc

 // 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1991 matching lines @@
 
     if (data->function_count() != test_cases[i].functions) {
       i::OS::Print(
           "Expected preparse data for program:\n"
           "\t%s\n"
           "to contain %d functions, however, received %d functions.\n",
           program, test_cases[i].functions,
           data->function_count());
       CHECK(false);
     }
+    delete data;
   }
 }
 
 
 TEST(FunctionDeclaresItselfStrict) {
   // Tests that we produce the right kinds of errors when a function declares
   // itself strict (we cannot produce there errors as soon as we see the
   // offending identifiers, because we don't know at that point whether the
   // function is strict or not).
   const char* context_data[][2] = {
@@ skipping 427 matching lines @@
   RunParserSyncTest(assignment_context_data, bad_statement_data_common, kError);
   RunParserSyncTest(assignment_context_data, bad_statement_data_for_assignment,
                     kError);
 
   RunParserSyncTest(prefix_context_data, good_statement_data, kSuccess);
   RunParserSyncTest(prefix_context_data, bad_statement_data_common, kError);
 
   RunParserSyncTest(postfix_context_data, good_statement_data, kSuccess);
   RunParserSyncTest(postfix_context_data, bad_statement_data_common, kError);
 }