PPC/s390: [builtins] Construct builtin frame in String/Number ctors

src/ppc/macro-assembler-ppc.h

Index: src/ppc/macro-assembler-ppc.h
diff --git a/src/ppc/macro-assembler-ppc.h b/src/ppc/macro-assembler-ppc.h
index 56db98a09b085cc96bfd37e9a2983bff3358f132..b160a3ffac4118b5d1f6e8d0c4d4e523aca8b5d0 100644
--- a/src/ppc/macro-assembler-ppc.h
+++ b/src/ppc/macro-assembler-ppc.h
@@ -1526,6 +1526,9 @@ class MacroAssembler : public Assembler {
   // Returns the pc offset at which the frame ends.
   int LeaveFrame(StackFrame::Type type, int stack_adjustment = 0);
 
+  void EnterBuiltinFrame(Register context, Register target, Register argc);
+  void LeaveBuiltinFrame(Register context, Register target, Register argc);
+
   // Expects object in r3 and returns map with validated enum cache
   // in r3.  Assumes that any other register can be used as a scratch.
   void CheckEnumCache(Label* call_runtime);