[ic] Initialize feedback slots for LoadGlobalIC in Runtime::kDeclareGlobals when possible to ...

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 92ae0980d5ab0db3af00c9e56085a9aa1fba8f3e..1d0ddecb5f7c19bd5ed45e028943ceb5dcf06ece 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -770,12 +770,14 @@ void FullCodeGenerator::VisitVariableDeclaration(
 
   switch (variable->location()) {
     case VariableLocation::GLOBAL:
-    case VariableLocation::UNALLOCATED:
+    case VariableLocation::UNALLOCATED: {
       DCHECK(!variable->binding_needs_init());
-      globals_->Add(variable->name(), zone());
+      FeedbackVectorSlot slot = proxy->VariableFeedbackSlot();
+      DCHECK(!slot.IsInvalid());
+      globals_->Add(handle(Smi::FromInt(slot.ToInt()), isolate()), zone());
       globals_->Add(isolate()->factory()->undefined_value(), zone());
       break;
-
+    }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL:
       if (hole_init) {
@@ -817,7 +819,9 @@ void FullCodeGenerator::VisitFunctionDeclaration(
   switch (variable->location()) {
     case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
-      globals_->Add(variable->name(), zone());
+      FeedbackVectorSlot slot = proxy->VariableFeedbackSlot();
+      DCHECK(!slot.IsInvalid());
+      globals_->Add(handle(Smi::FromInt(slot.ToInt()), isolate()), zone());
       Handle<SharedFunctionInfo> function =
           Compiler::GetSharedFunctionInfo(declaration->fun(), script(), info_);
       // Check for stack overflow exception.
@@ -875,7 +879,8 @@ void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
     flags = x10;
   __ Mov(flags, Smi::FromInt(DeclareGlobalsFlags()));
   }
-  __ Push(x11, flags);
+  __ EmitLoadTypeFeedbackVector(x12);
+  __ Push(x11, flags, x12);
   __ CallRuntime(Runtime::kDeclareGlobals);
   // Return value is ignored.
 }