PPC/s390: [turbofan] JSGenericLowering mostly uses builtins instead of code stubs now

src/crankshaft/ppc/lithium-codegen-ppc.cc

Index: src/crankshaft/ppc/lithium-codegen-ppc.cc
diff --git a/src/crankshaft/ppc/lithium-codegen-ppc.cc b/src/crankshaft/ppc/lithium-codegen-ppc.cc
index 02520c343c2e86c056503417b5438c14488874fc..b3b04ee6a1ad15b99c78724ac368f00a7658d420 100644
--- a/src/crankshaft/ppc/lithium-codegen-ppc.cc
+++ b/src/crankshaft/ppc/lithium-codegen-ppc.cc
@@ -5373,8 +5373,8 @@ void LCodeGen::DoTypeof(LTypeof* instr) {
   __ mov(r3, Operand(isolate()->factory()->number_string()));
   __ b(&end);
   __ bind(&do_call);
-  TypeofStub stub(isolate());
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  Callable callable = CodeFactory::Typeof(isolate());
+  CallCode(callable.code(), RelocInfo::CODE_TARGET, instr);
   __ bind(&end);
 }