Simplify pending message script handling.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index b478d7f696eddc14fbbec32fcbacc310b8cb3bde..a551937ac573fbff912f553485e00e8dc85711cf 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -5326,12 +5326,6 @@ void FullCodeGenerator::EnterFinallyBlock() {
   __ ldrb(r1, MemOperand(ip));
   __ SmiTag(r1);
   __ push(r1);
-
-  ExternalReference pending_message_script =
-      ExternalReference::address_of_pending_message_script(isolate());
-  __ mov(ip, Operand(pending_message_script));
-  __ ldr(r1, MemOperand(ip));
-  __ push(r1);
 }
 
 
@@ -5339,12 +5333,6 @@ void FullCodeGenerator::ExitFinallyBlock() {
   DCHECK(!result_register().is(r1));
   // Restore pending message from stack.
   __ pop(r1);
-  ExternalReference pending_message_script =
-      ExternalReference::address_of_pending_message_script(isolate());
-  __ mov(ip, Operand(pending_message_script));
-  __ str(r1, MemOperand(ip));
-
-  __ pop(r1);
   __ SmiUntag(r1);
   ExternalReference has_pending_message =
       ExternalReference::address_of_has_pending_message(isolate());