deps: cherry-pick 7abdadc from upstream V8

Original commit message:

    Sprinkle some DisallowHeapAllocation

    Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
    Change-Id: I7d34ccddeea08f5935e360e8c36791365f27f89e
    Reviewed-on: https://chromium-review.googlesource.com/647706
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Commit-Queue: Camillo Bruni <cbruni@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#47804}

PR-URL: #19824
Refs: v8/v8@7abdadc
Fixes: #19769
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

Author: targos

deps/v8/include/v8-version.h

@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 6
 #define V8_MINOR_VERSION 2
 #define V8_BUILD_NUMBER 414
-#define V8_PATCH_LEVEL 51
+#define V8_PATCH_LEVEL 52
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)

deps/v8/src/api.cc

@@ -5190,6 +5190,7 @@ Local<v8::Context> v8::Object::CreationContext() {
 
 
 int v8::Object::GetIdentityHash() {
+  i::DisallowHeapAllocation no_gc;
   auto isolate = Utils::OpenHandle(this)->GetIsolate();
   i::HandleScope scope(isolate);
   auto self = Utils::OpenHandle(this);

deps/v8/src/objects.cc

@@ -2301,6 +2301,7 @@ namespace {
 // objects.  This avoids a double lookup in the cases where we know we will
 // add the hash to the JSObject if it does not already exist.
 Object* GetSimpleHash(Object* object) {
+  DisallowHeapAllocation no_gc;
   // The object is either a Smi, a HeapNumber, a name, an odd-ball, a real JS
   // object, or a Harmony proxy.
   if (object->IsSmi()) {
@@ -2333,10 +2334,10 @@ Object* GetSimpleHash(Object* object) {
 }  // namespace
 
 Object* Object::GetHash() {
+  DisallowHeapAllocation no_gc;
   Object* hash = GetSimpleHash(this);
   if (hash->IsSmi()) return hash;
 
-  DisallowHeapAllocation no_gc;
   DCHECK(IsJSReceiver());
   JSReceiver* receiver = JSReceiver::cast(this);
   Isolate* isolate = receiver->GetIsolate();
@@ -2345,10 +2346,12 @@ Object* Object::GetHash() {
 
 // static
 Smi* Object::GetOrCreateHash(Isolate* isolate, Object* key) {
+  DisallowHeapAllocation no_gc;
   return key->GetOrCreateHash(isolate);
 }
 
 Smi* Object::GetOrCreateHash(Isolate* isolate) {
+  DisallowHeapAllocation no_gc;
   Object* hash = GetSimpleHash(this);
   if (hash->IsSmi()) return Smi::cast(hash);
 
@@ -6286,6 +6289,7 @@ Object* SetHashAndUpdateProperties(HeapObject* properties, int masked_hash) {
 }
 
 int GetIdentityHashHelper(Isolate* isolate, JSReceiver* object) {
+  DisallowHeapAllocation no_gc;
   Object* properties = object->raw_properties_or_hash();
   if (properties->IsSmi()) {
     return Smi::ToInt(properties);
@@ -6312,6 +6316,7 @@ int GetIdentityHashHelper(Isolate* isolate, JSReceiver* object) {
 }  // namespace
 
 void JSReceiver::SetIdentityHash(int masked_hash) {
+  DisallowHeapAllocation no_gc;
   DCHECK_NE(PropertyArray::kNoHashSentinel, masked_hash);
   DCHECK_EQ(masked_hash & JSReceiver::kHashMask, masked_hash);
 
@@ -6322,6 +6327,7 @@ void JSReceiver::SetIdentityHash(int masked_hash) {
 }
 
 void JSReceiver::SetProperties(HeapObject* properties) {
+  DisallowHeapAllocation no_gc;
   Isolate* isolate = properties->GetIsolate();
   int hash = GetIdentityHashHelper(isolate, this);
   Object* new_properties = properties;
@@ -6337,6 +6343,7 @@ void JSReceiver::SetProperties(HeapObject* properties) {
 
 template <typename ProxyType>
 Smi* GetOrCreateIdentityHashHelper(Isolate* isolate, ProxyType* proxy) {
+  DisallowHeapAllocation no_gc;
   Object* maybe_hash = proxy->hash();
   if (maybe_hash->IsSmi()) return Smi::cast(maybe_hash);
 
@@ -6346,6 +6353,7 @@ Smi* GetOrCreateIdentityHashHelper(Isolate* isolate, ProxyType* proxy) {
 }
 
 Object* JSObject::GetIdentityHash(Isolate* isolate) {
+  DisallowHeapAllocation no_gc;
   if (IsJSGlobalProxy()) {
     return JSGlobalProxy::cast(this)->hash();
   }
@@ -6359,6 +6367,7 @@ Object* JSObject::GetIdentityHash(Isolate* isolate) {
 }
 
 Smi* JSObject::GetOrCreateIdentityHash(Isolate* isolate) {
+  DisallowHeapAllocation no_gc;
   if (IsJSGlobalProxy()) {
     return GetOrCreateIdentityHashHelper(isolate, JSGlobalProxy::cast(this));
   }