[turbofan] Explicitly mark call sites as patchable.

src/compiler/arm64/code-generator-arm64.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.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 128 matching lines @@
     case kArchCallCodeObject: {
       if (instr->InputAt(0)->IsImmediate()) {
         __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
                 RelocInfo::CODE_TARGET);
       } else {
         Register target = i.InputRegister(0);
         __ Add(target, target, Code::kHeaderSize - kHeapObjectTag);
         __ Call(target);
       }
       AddSafepointAndDeopt(instr);
-      // Meaningless instruction for ICs to overwrite.
-      AddNopForSmiCodeInlining();
       break;
     }
     case kArchCallJSFunction: {
       // TODO(jarin) The load of the context should be separated from the call.
       Register func = i.InputRegister(0);
       __ Ldr(cp, FieldMemOperand(func, JSFunction::kContextOffset));
       __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset));
       __ Call(x10);
       AddSafepointAndDeopt(instr);
       break;
@@ skipping 681 matching lines @@
 }
 
 
 void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8