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

src/s390/macro-assembler-s390.h

Index: src/s390/macro-assembler-s390.h
diff --git a/src/s390/macro-assembler-s390.h b/src/s390/macro-assembler-s390.h
index 3a038fdcdaa212687c491bd0820815079a07d86c..7f4e8fcc475601d3c19c1e616c63ce67433f0bd1 100644
--- a/src/s390/macro-assembler-s390.h
+++ b/src/s390/macro-assembler-s390.h
@@ -1792,6 +1792,9 @@ 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 r2 and returns map with validated enum cache
   // in r2.  Assumes that any other register can be used as a scratch.
   void CheckEnumCache(Label* call_runtime);