A64: Synchronize with r16587.

src/disassembler.cc

Index: src/disassembler.cc
diff --git a/src/disassembler.cc b/src/disassembler.cc
index fa8ae1ffc8f974502c78c4bb514f4fe0bfe0847d..30df18625ad35101393a80b641f46de78e0d2bfd 100644
--- a/src/disassembler.cc
+++ b/src/disassembler.cc
@@ -71,7 +71,7 @@ class V8NameConverter: public disasm::NameConverter {
 
 
 const char* V8NameConverter::NameOfAddress(byte* pc) const {
-  const char* name = Isolate::Current()->builtins()->Lookup(pc);
+  const char* name = code_->GetIsolate()->builtins()->Lookup(pc);
   if (name != NULL) {
     OS::SNPrintF(v8_buffer_, "%s  (%p)", name, pc);
     return v8_buffer_.start();
@@ -117,7 +117,7 @@ static int DecodeIt(Isolate* isolate,
                     byte* end) {
   SealHandleScope shs(isolate);
   DisallowHeapAllocation no_alloc;
-  ExternalReferenceEncoder ref_encoder;
+  ExternalReferenceEncoder ref_encoder(isolate);
   Heap* heap = HEAP;
 
   v8::internal::EmbeddedVector<char, 128> decode_buffer;