Remove proxies from --harmony switch for M38, because problems

tools/generate-runtime-tests.py

Index: tools/generate-runtime-tests.py
diff --git a/tools/generate-runtime-tests.py b/tools/generate-runtime-tests.py
index d2fa5d4e21114d7c1b1c11b6965a9e20fdefca0e..2c94e6034620a8e8f532bb2e58da55b4ed9579f2 100755
--- a/tools/generate-runtime-tests.py
+++ b/tools/generate-runtime-tests.py
@@ -248,7 +248,7 @@ CUSTOM_KNOWN_GOOD_INPUT = {
   "DefineApiAccessorProperty": [None, None, "undefined", "undefined", None, None],
   "SetIteratorInitialize": [None, None, "2", None],
   "SetDebugEventListener": ["undefined", None, None],
-  "SetFunctionBreakPoint": [None, 200, None, None],
+  "SetFunctionBreakPoint": [None, 218, None, None],
   "StringBuilderConcat": ["[1, 2, 3]", 3, None, None],
   "StringBuilderJoin": ["['a', 'b']", 4, None, None],
   "StringMatch": [None, None, "['a', 'b']", None],
@@ -1132,7 +1132,8 @@ def _GetKnownGoodArgs(function, generator):
 def _GenerateTestcase(function, definitions, argslist, throws):
   s = ["// Copyright 2014 the V8 project authors. All rights reserved.",
        "// AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY",
-       "// Flags: --allow-natives-syntax --harmony"] + definitions
+       "// Flags: --allow-natives-syntax --harmony --harmony-proxies"
+      ] + definitions
   call = "%%%s%s(%s);" % (function.inline, function.name, ", ".join(argslist))
   if throws:
     s.append("try {")
@@ -1212,7 +1213,7 @@ def RunFuzzer(process_id, options, stop_running):
         with open(stderr_file_name, "w") as stderr:
           process = subprocess.Popen(
               [options.binary, "--allow-natives-syntax", "--harmony",
-               "--enable-slow-asserts", test_file_name],
+               "--harmony-proxies", "--enable-slow-asserts", test_file_name],
               stdout=devnull, stderr=stderr)
           end_time = time.time() + options.timeout
           timed_out = False