PPC: [for-in] Sanitize for-in optimizations and fix bailout points.

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 5579 matching lines @@
   //  -- ...
   //  -- r5                     : api_function_address
   // -----------------------------------
 
   Register api_function_address = ApiGetterDescriptor::function_address();
   int arg0Slot = 0;
   int accessorInfoSlot = 0;
   int apiStackSpace = 0;
   DCHECK(api_function_address.is(r5));
 
-  __ mr(r3, sp);                               // r0 = Handle<Name>
+  __ mr(r3, sp);                               // r3 = Handle<Name>
   __ addi(r4, r3, Operand(1 * kPointerSize));  // r4 = PCA
 
 // If ABI passes Handles (pointer-sized struct) in a register:
 //
 // Create 2 extra slots on stack:
 //    [0] space for DirectCEntryStub's LR save
 //    [1] AccessorInfo&
 //
 // Otherwise:
 //
@@ skipping 33 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC