Revert of Assembler changes for enabling GrowHeap in Wasm

src/arm64/assembler-arm64.cc

 // Copyright 2013 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
@@ skipping 422 matching lines @@
   unique_entries_.clear();
   first_use_ = -1;
 }
 
 
 bool ConstPool::CanBeShared(RelocInfo::Mode mode) {
   // Constant pool currently does not support 32-bit entries.
   DCHECK(mode != RelocInfo::NONE32);
 
   return RelocInfo::IsNone(mode) ||
-         (!assm_->serializer_enabled() &&
-          (mode >= RelocInfo::FIRST_SHAREABLE_RELOC_MODE));
+         (!assm_->serializer_enabled() && (mode >= RelocInfo::CELL));
 }
 
 
 void ConstPool::EmitMarker() {
   // A constant pool size is expressed in number of 32-bits words.
   // Currently all entries are 64-bit.
   // + 1 is for the crash guard.
   // + 0/1 for alignment.
   int word_count = EntryCount() * 2 + 1 +
                    (IsAligned(assm_->pc_offset(), 8) ? 0 : 1);
@@ skipping 2686 matching lines @@
   movk(scratch, (target_offset >> 32) & 0xFFFF, 32);
   DCHECK((target_offset >> 48) == 0);
   add(rd, rd, scratch);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64