[builtins] Construct builtin frame in String/Number ctors

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 73f99f0c5a552a7b38c8af9b9c74273048d098a0..19cd3705f1ffe2ea858f816807eb2e0137b36062 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -1438,6 +1438,9 @@ class MacroAssembler: public Assembler {
   // Returns the pc offset at which the frame ends.
   int LeaveFrame(StackFrame::Type type);
 
+  void EnterBuiltinFrame(Register context, Register target, Register argc);
+  void LeaveBuiltinFrame(Register context, Register target, Register argc);
+
   // Expects object in r0 and returns map with validated enum cache
   // in r0.  Assumes that any other register can be used as a scratch.
   void CheckEnumCache(Label* call_runtime);