Perform TODO(gc) cleanup for TODO-lockdown.

src/arm/assembler-arm-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 61 matching lines @@
 int RelocInfo::target_address_size() {
   return Assembler::kExternalTargetSize;
 }
 
 
 void RelocInfo::set_target_address(Address target, Code* code) {
   ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
   Assembler::set_target_address_at(pc_, target);
   if (code != NULL && IsCodeTarget(rmode_)) {
     Object* target_code = Code::GetCodeFromTargetAddress(target);
-    // TODO(gc) We do not compact code pages.
+    // TODO(1550) We do not compact code pages.
     code->GetHeap()->incremental_marking()->RecordWrite(
         code, NULL, HeapObject::cast(target_code));
   }
 }
 
 
 Object* RelocInfo::target_object() {
   ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
   return Memory::Object_at(Assembler::target_address_address_at(pc_));
 }
@@ skipping 268 matching lines @@
   //   CPU::FlushICache(pc, sizeof(target));
   // However, on ARM, no instruction was actually patched by the assignment
   // above; the target address is not part of an instruction, it is patched in
   // the constant pool and is read via a data access; the instruction accessing
   // this address in the constant pool remains unchanged.
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_INL_H_