Split some SharedFunctionInfo's compiler hints off into debugger hints.

src/builtins/arm64/builtins-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 989 matching lines @@
   __ Push(lr, fp, cp, x1);
   __ Add(fp, jssp, StandardFrameConstants::kFixedFrameSizeFromFp);
 
   // Get the bytecode array from the function object (or from the DebugInfo if
   // it is present) and load it into kInterpreterBytecodeArrayRegister.
   __ Ldr(x0, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
   Register debug_info = kInterpreterBytecodeArrayRegister;
   Label load_debug_bytecode_array, bytecode_array_loaded;
   DCHECK(!debug_info.is(x0));
   __ Ldr(debug_info, FieldMemOperand(x0, SharedFunctionInfo::kDebugInfoOffset));
-  __ Cmp(debug_info, Operand(DebugInfo::uninitialized()));
-  __ B(ne, &load_debug_bytecode_array);
+  __ JumpIfNotSmi(debug_info, &load_debug_bytecode_array);
   __ Ldr(kInterpreterBytecodeArrayRegister,
          FieldMemOperand(x0, SharedFunctionInfo::kFunctionDataOffset));
   __ Bind(&bytecode_array_loaded);
 
   // Check whether we should continue to use the interpreter.
   Label switch_to_different_code_kind;
   __ Ldr(x0, FieldMemOperand(x0, SharedFunctionInfo::kCodeOffset));
   __ Cmp(x0, Operand(masm->CodeObject()));  // Self-reference to this code.
   __ B(ne, &switch_to_different_code_kind);
 
@@ skipping 2115 matching lines @@
     __ Unreachable();
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM