[debug] add exception predictions to builtins where missing.

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 2093 matching lines @@
                                Builtins::kInternalPromiseReject, 3, true);
       function->shared()->set_native(false);
       InstallWithIntrinsicDefaultProto(isolate, function,
                                        Context::PROMISE_INTERNAL_REJECT_INDEX);
     }
 
     {
       Handle<Code> code =
           handle(isolate->builtins()->builtin(Builtins::kPromiseResolveClosure),
                  isolate);
+      code->set_is_promise_rejection(true);
       Handle<SharedFunctionInfo> info =
           factory->NewSharedFunctionInfo(factory->empty_string(), code, false);
       info->set_internal_formal_parameter_count(1);
       info->set_length(1);
       native_context()->set_promise_resolve_shared_fun(*info);
 
       code =
           handle(isolate->builtins()->builtin(Builtins::kPromiseRejectClosure),
                  isolate);
       info =
@@ skipping 1395 matching lines @@
         async_function_constructor,
         static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
 
     JSFunction::SetPrototype(async_function_constructor,
                              async_function_prototype);
 
     {
       Handle<JSFunction> function =
           SimpleCreateFunction(isolate, factory->empty_string(),
                                Builtins::kAsyncFunctionAwaitCaught, 3, false);
+      isolate->builtins()->AsyncFunctionAwaitCaught()->set_is_promise_rejection(
+          true);
       InstallWithIntrinsicDefaultProto(
           isolate, function, Context::ASYNC_FUNCTION_AWAIT_CAUGHT_INDEX);
     }
 
     {
       Handle<JSFunction> function =
           SimpleCreateFunction(isolate, factory->empty_string(),
                                Builtins::kAsyncFunctionAwaitUncaught, 3, false);
+      isolate->builtins()
+          ->AsyncFunctionAwaitUncaught()
+          ->set_is_promise_rejection(true);
       InstallWithIntrinsicDefaultProto(
           isolate, function, Context::ASYNC_FUNCTION_AWAIT_UNCAUGHT_INDEX);
     }
 
     {
       Handle<Code> code =
           isolate->builtins()->AsyncFunctionAwaitRejectClosure();
       Handle<SharedFunctionInfo> info =
           factory->NewSharedFunctionInfo(factory->empty_string(), code, false);
       info->set_internal_formal_parameter_count(1);
@@ skipping 1560 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8