ARM: Removed unused StubReturn

src/arm/codegen-arm.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6068 matching lines @@
   __ stop("Unreachable");
 }
 
 
 void StackCheckStub::Generate(MacroAssembler* masm) {
   // Do tail-call to runtime routine.  Runtime routines expect at least one
   // argument, so give it a Smi.
   __ mov(r0, Operand(Smi::FromInt(0)));
   __ push(r0);
   __ TailCallRuntime(ExternalReference(Runtime::kStackGuard), 1, 1);
-
-  __ StubReturn(1);
 }
 
 
 void GenericUnaryOpStub::Generate(MacroAssembler* masm) {
   Label slow, done;
 
   if (op_ == Token::SUB) {
     // Check whether the value is a smi.
     Label try_float;
     __ tst(r0, Operand(kSmiTagMask));
@@ skipping 59 matching lines @@
     // have to set up a frame.
     WriteInt32ToHeapNumberStub stub(r1, r0, r2);
     __ push(lr);
     __ Call(stub.GetCode(), RelocInfo::CODE_TARGET);
     __ pop(lr);
   } else {
     UNIMPLEMENTED();
   }
 
   __ bind(&done);
-  __ StubReturn(1);
+  __ Ret();
 
   // Handle the slow case by jumping to the JavaScript builtin.
   __ bind(&slow);
   __ push(r0);
   switch (op_) {
     case Token::SUB:
       __ InvokeBuiltin(Builtins::UNARY_MINUS, JUMP_JS);
       break;
     case Token::BIT_NOT:
       __ InvokeBuiltin(Builtins::BIT_NOT, JUMP_JS);
@@ skipping 1280 matching lines @@
 
   // Just jump to runtime to add the two strings.
   __ bind(&string_add_runtime);
   __ TailCallRuntime(ExternalReference(Runtime::kStringAdd), 2, 1);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal