[debug] add exception predictions to builtins where missing.

test/cctest/test-debug.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 6645 matching lines @@
   CHECK_EQ(4, function_data.End().GetColumnNumber());
   CHECK_EQ(1, function_data.Count());
 
   function_data = script_data.GetFunctionData(1);
   CHECK_EQ(0, function_data.Start().GetLineNumber());
   CHECK_EQ(0, function_data.Start().GetColumnNumber());
   CHECK_EQ(1, function_data.End().GetLineNumber());
   CHECK_EQ(1, function_data.End().GetColumnNumber());
   CHECK_EQ(2, function_data.Count());
 }
+
+TEST(BuiltinsExceptionPrediction) {
+  i::Builtins* builtins = CcTest::i_isolate()->builtins();
+  bool fail = false;
+  for (int i = 0; i < i::Builtins::builtin_count; i++) {
+    Code* builtin = builtins->builtin(static_cast<i::Builtins::Name>(i));
+    if (i::HandlerTable::cast(builtin->handler_table())->length() > 0 &&
+        !builtin->is_promise_rejection() && !builtin->is_exception_caught()) {
+      fail = true;
+      i::PrintF("%s is missing exception predictions.\n", builtins->name(i));

[Yang, 2017/03/06 11:45:02]

The output of this is currently:

ResolvePromise is missing exception predictions.
PromiseResolve is missing exception predictions.
PromiseThenFinally is missing exception predictions.
PromiseCatchFinally is missing exception predictions.
AsyncFromSyncIteratorPrototypeNext is missing exception predictions.
AsyncFromSyncIteratorPrototypeThrow is missing exception predictions.
AsyncFromSyncIteratorPrototypeReturn is missing exception predictions.

+    }
+  }
+  CHECK(!fail);
+}