[runtime] Support Proxy setPrototypeOf trap

src/ast/scopeinfo.cc

Index: src/ast/scopeinfo.cc
diff --git a/src/ast/scopeinfo.cc b/src/ast/scopeinfo.cc
index cb7409a9d2c3f7cc38067791b616625cf62b805c..8532237821aa996e88af0664398ec9029e16677e 100644
--- a/src/ast/scopeinfo.cc
+++ b/src/ast/scopeinfo.cc
@@ -241,16 +241,15 @@ Handle<ScopeInfo> ScopeInfo::CreateGlobalThisBinding(Isolate* isolate) {
   Handle<ScopeInfo> scope_info = factory->NewScopeInfo(length);
 
   // Encode the flags.
-  int flags = ScopeTypeField::encode(SCRIPT_SCOPE) |
-              CallsEvalField::encode(false) |
-              LanguageModeField::encode(SLOPPY) |
-              DeclarationScopeField::encode(true) |
-              ReceiverVariableField::encode(receiver_info) |
-              FunctionVariableField::encode(function_name_info) |
-              FunctionVariableMode::encode(function_variable_mode) |
-              AsmModuleField::encode(false) | AsmFunctionField::encode(false) |
-              HasSimpleParametersField::encode(has_simple_parameters) |
-              FunctionKindField::encode(FunctionKind::kNormalFunction);
+  int flags =
+      ScopeTypeField::encode(SCRIPT_SCOPE) | CallsEvalField::encode(false) |
+      LanguageModeField::encode(SLOPPY) | DeclarationScopeField::encode(true) |
+      ReceiverVariableField::encode(receiver_info) |
+      FunctionVariableField::encode(function_name_info) |
+      FunctionVariableMode::encode(function_variable_mode) |
+      AsmModuleField::encode(false) | AsmFunctionField::encode(false) |
+      HasSimpleParametersField::encode(has_simple_parameters) |
+      FunctionKindField::encode(FunctionKind::kNormalFunction);
   scope_info->SetFlags(flags);
   scope_info->SetParameterCount(parameter_count);
   scope_info->SetStackLocalCount(stack_local_count);
@@ -317,9 +316,7 @@ bool ScopeInfo::is_declaration_scope() {
 }
 
 
-int ScopeInfo::LocalCount() {
-  return StackLocalCount() + ContextLocalCount();
-}
+int ScopeInfo::LocalCount() { return StackLocalCount() + ContextLocalCount(); }
 
 
 int ScopeInfo::StackSlotCount() {
@@ -342,7 +339,7 @@ int ScopeInfo::ContextLength() {
                        function_name_context_slot ||
                        scope_type() == WITH_SCOPE ||
                        (scope_type() == BLOCK_SCOPE && CallsSloppyEval() &&
-                           is_declaration_scope()) ||
+                        is_declaration_scope()) ||
                        (scope_type() == FUNCTION_SCOPE && CallsSloppyEval()) ||
                        scope_type() == MODULE_SCOPE;
 
@@ -392,9 +389,7 @@ bool ScopeInfo::HasHeapAllocatedLocals() {
 }
 
 
-bool ScopeInfo::HasContext() {
-  return ContextLength() > 0;
-}
+bool ScopeInfo::HasContext() { return ContextLength() > 0; }
 
 
 String* ScopeInfo::FunctionName() {
@@ -739,15 +734,16 @@ void ContextSlotCache::Update(Handle<Object> data, Handle<String> name,
   DisallowHeapAllocation no_gc;
   Handle<String> internalized_name;
   DCHECK(slot_index > kNotFound);
-  if (StringTable::InternalizeStringIfExists(name->GetIsolate(), name).
-      ToHandle(&internalized_name)) {
+  if (StringTable::InternalizeStringIfExists(name->GetIsolate(), name)
+          .ToHandle(&internalized_name)) {
     int index = Hash(*data, *internalized_name);
     Key& key = keys_[index];
     key.data = *data;
     key.name = *internalized_name;
     // Please note value only takes a uint as index.
-    values_[index] = Value(mode, init_flag, maybe_assigned_flag,
-                           slot_index - kNotFound).raw();
+    values_[index] =
+        Value(mode, init_flag, maybe_assigned_flag, slot_index - kNotFound)
+            .raw();
 #ifdef DEBUG
     ValidateEntry(data, name, mode, init_flag, maybe_assigned_flag, slot_index);
 #endif
@@ -769,8 +765,8 @@ void ContextSlotCache::ValidateEntry(Handle<Object> data, Handle<String> name,
                                      int slot_index) {
   DisallowHeapAllocation no_gc;
   Handle<String> internalized_name;
-  if (StringTable::InternalizeStringIfExists(name->GetIsolate(), name).
-      ToHandle(&internalized_name)) {
+  if (StringTable::InternalizeStringIfExists(name->GetIsolate(), name)
+          .ToHandle(&internalized_name)) {
     int index = Hash(*data, *name);
     Key& key = keys_[index];
     DCHECK(key.data == *data);
@@ -784,15 +780,12 @@ void ContextSlotCache::ValidateEntry(Handle<Object> data, Handle<String> name,
 }
 
 
-static void PrintList(const char* list_name,
-                      int nof_internal_slots,
-                      int start,
-                      int end,
-                      ScopeInfo* scope_info) {
+static void PrintList(const char* list_name, int nof_internal_slots, int start,
+                      int end, ScopeInfo* scope_info) {
   if (start < end) {
     PrintF("\n  // %s\n", list_name);
     if (nof_internal_slots > 0) {
-      PrintF("  %2d - %2d [internal slots]\n", 0 , nof_internal_slots - 1);
+      PrintF("  %2d - %2d [internal slots]\n", 0, nof_internal_slots - 1);
     }
     for (int i = nof_internal_slots; start < end; ++i, ++start) {
       PrintF("  %2d ", i);