Report promise reject with no handler (behind a flag).

src/contexts.h

 // Copyright 2012 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.
 
 #ifndef V8_CONTEXTS_H_
 #define V8_CONTEXTS_H_
 
 #include "src/heap/heap.h"
 #include "src/objects.h"
 
@@ skipping 162 matching lines @@
   V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings)    \
   V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object,                     \
     error_message_for_code_gen_from_strings)                                   \
   V(IS_PROMISE_INDEX, JSFunction, is_promise)                                  \
   V(PROMISE_CREATE_INDEX, JSFunction, promise_create)                          \
   V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve)                        \
   V(PROMISE_REJECT_INDEX, JSFunction, promise_reject)                          \
   V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain)                            \
   V(PROMISE_CATCH_INDEX, JSFunction, promise_catch)                            \
   V(PROMISE_THEN_INDEX, JSFunction, promise_then)                              \
+  V(PROMISE_HAS_REJECT_HANDLER_INDEX, JSFunction, promise_has_reject_handler)  \
   V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction,                         \
     to_complete_property_descriptor)                                           \
   V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap)                      \
   V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap)                      \
   V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap)                      \
   V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate)                        \
   V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change)        \
   V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice)      \
   V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice)  \
   V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice)      \
@@ skipping 177 matching lines @@
     ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX,
     RUN_MICROTASKS_INDEX,
     ENQUEUE_MICROTASK_INDEX,
     IS_PROMISE_INDEX,
     PROMISE_CREATE_INDEX,
     PROMISE_RESOLVE_INDEX,
     PROMISE_REJECT_INDEX,
     PROMISE_CHAIN_INDEX,
     PROMISE_CATCH_INDEX,
     PROMISE_THEN_INDEX,
+    PROMISE_HAS_REJECT_HANDLER_INDEX,
     TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX,
     DERIVED_HAS_TRAP_INDEX,
     DERIVED_GET_TRAP_INDEX,
     DERIVED_SET_TRAP_INDEX,
     PROXY_ENUMERATE_INDEX,
     OBSERVERS_NOTIFY_CHANGE_INDEX,
     OBSERVERS_ENQUEUE_SPLICE_INDEX,
     OBSERVERS_BEGIN_SPLICE_INDEX,
     OBSERVERS_END_SPLICE_INDEX,
     NATIVE_OBJECT_OBSERVE_INDEX,
@@ skipping 200 matching lines @@
   static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object);
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CONTEXTS_H_