[builtins] Remove the unused AllocationSite slot from ConstructFrame.

src/builtins/mips/builtins-mips.cc

Index: src/builtins/mips/builtins-mips.cc
diff --git a/src/builtins/mips/builtins-mips.cc b/src/builtins/mips/builtins-mips.cc
index 8efc142dd1bb49a5632a76f0a114b3d124746581..92ee99f1612e107206b1ed8054f2dc0899134cfb 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -548,14 +548,14 @@ 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 -------------
   //  -- a0     : number of arguments
   //  -- a1     : constructor function
-  //  -- a2     : allocation site or undefined
   //  -- a3     : new target
   //  -- cp     : context
   //  -- ra     : return address
@@ -569,9 +569,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
     FrameScope scope(masm, StackFrame::CONSTRUCT);
 
     // Preserve the incoming parameters on the stack.
-    __ AssertUndefinedOrAllocationSite(a2, t0);
     __ SmiTag(a0);
-    __ Push(cp, a2, a0);
+    __ Push(cp, a0);
 
     if (create_implicit_receiver) {
       // Allocate the new receiver object.
@@ -698,6 +697,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
   __ Ret();
 }
 
+}  // namespace
+
 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, true, false);
 }