PPC/s390: [builtins] Remove the unused AllocationSite slot from ConstructFrame.

src/builtins/s390/builtins-s390.cc

Index: src/builtins/s390/builtins-s390.cc
diff --git a/src/builtins/s390/builtins-s390.cc b/src/builtins/s390/builtins-s390.cc
index c32acdc1ca7293f7555eb69fa6250f1af9194c65..a2eab5b58eca91a630aaccd98491e1fe4fc378a5 100644
--- a/src/builtins/s390/builtins-s390.cc
+++ b/src/builtins/s390/builtins-s390.cc
@@ -551,14 +551,14 @@ void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
   GenerateTailCallToSharedCode(masm);
 }
 
-static void Generate_JSConstructStubHelper(MacroAssembler* masm,
-                                           bool is_api_function,
-                                           bool create_implicit_receiver,
-                                           bool check_derived_construct) {
+namespace {
+
+void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
+                                    bool create_implicit_receiver,
+                                    bool check_derived_construct) {
   // ----------- S t a t e -------------
   //  -- r2     : number of arguments
   //  -- r3     : constructor function
-  //  -- r4     : allocation site or undefined
   //  -- r5     : new target
   //  -- cp     : context
   //  -- lr     : return address
@@ -572,16 +572,15 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
     FrameAndConstantPoolScope scope(masm, StackFrame::CONSTRUCT);
 
     // Preserve the incoming parameters on the stack.
-    __ AssertUndefinedOrAllocationSite(r4, r6);
 
     if (!create_implicit_receiver) {
       __ SmiTag(r6, r2);
       __ LoadAndTestP(r6, r6);
-      __ Push(cp, r4, r6);
+      __ Push(cp, r6);
       __ PushRoot(Heap::kTheHoleValueRootIndex);
     } else {
       __ SmiTag(r2);
-      __ Push(cp, r4, r2);
+      __ Push(cp, r2);
 
       // Allocate the new receiver object.
       __ Push(r3, r5);
@@ -710,6 +709,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
   __ Ret();
 }
 
+}  // namespace
+
 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, true, false);
 }