PPC: Simplify pending message object handling.

src/ppc/full-codegen-ppc.cc

Index: src/ppc/full-codegen-ppc.cc
diff --git a/src/ppc/full-codegen-ppc.cc b/src/ppc/full-codegen-ppc.cc
index 5cb833a2d15defc3f50538a16fd6b0c94d11a849..2cd6da201a3da656b76980cd20b4aa519f55be53 100644
--- a/src/ppc/full-codegen-ppc.cc
+++ b/src/ppc/full-codegen-ppc.cc
@@ -5330,13 +5330,6 @@ void FullCodeGenerator::EnterFinallyBlock() {
   __ mov(ip, Operand(pending_message_obj));
   __ LoadP(r4, MemOperand(ip));
   __ push(r4);
-
-  ExternalReference has_pending_message =
-      ExternalReference::address_of_has_pending_message(isolate());
-  __ mov(ip, Operand(has_pending_message));
-  __ lbz(r4, MemOperand(ip));
-  __ SmiTag(r4);
-  __ push(r4);
 }
 
 
@@ -5344,13 +5337,6 @@ void FullCodeGenerator::ExitFinallyBlock() {
   DCHECK(!result_register().is(r4));
   // Restore pending message from stack.
   __ pop(r4);
-  __ SmiUntag(r4);
-  ExternalReference has_pending_message =
-      ExternalReference::address_of_has_pending_message(isolate());
-  __ mov(ip, Operand(has_pending_message));
-  __ stb(r4, MemOperand(ip));
-
-  __ pop(r4);
   ExternalReference pending_message_obj =
       ExternalReference::address_of_pending_message_obj(isolate());
   __ mov(ip, Operand(pending_message_obj));