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

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index 90b38ac3c867a24dc9dfa23c2799943581d94b99..c1d4b5ba702bb2b5ef8b5baf2433d64df2fe570b 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -713,12 +713,14 @@ void FullCodeGenerator::VisitVariableDeclaration(
   bool hole_init = mode == LET || mode == CONST;
   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) {
@@ -759,7 +761,9 @@ 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.
@@ -807,7 +811,8 @@ void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ mov(r3, Operand(pairs));
   __ LoadSmiLiteral(r2, Smi::FromInt(DeclareGlobalsFlags()));
-  __ Push(r3, r2);
+  __ EmitLoadTypeFeedbackVector(r0);
+  __ Push(r3, r2, r0);
   __ CallRuntime(Runtime::kDeclareGlobals);
   // Return value is ignored.
 }