[promises] Move promise constructor to TFS

src/builtins/ppc/builtins-ppc.cc

Index: src/builtins/ppc/builtins-ppc.cc
diff --git a/src/builtins/ppc/builtins-ppc.cc b/src/builtins/ppc/builtins-ppc.cc
index 7255ed713c990da269c0c0b0b940863151a33734..57879f1fe361c0f0b396244561593a714b202103 100644
--- a/src/builtins/ppc/builtins-ppc.cc
+++ b/src/builtins/ppc/builtins-ppc.cc
@@ -2786,6 +2786,11 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
 }
 
 // static
+void Builtins::Generate_PromiseConstructorHelper(MacroAssembler* masm) {
+  Generate_JSConstructStubHelper(masm, false, false, false);
+}
+
+// static
 void Builtins::Generate_AllocateInNewSpace(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r4 : requested object size (untagged)