[debugger] separate break point info from code instrumentation.

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 1110 matching lines @@
   __ Call(ip0);
   masm->isolate()->heap()->SetInterpreterEntryReturnPCOffset(masm->pc_offset());
 
   // The return value is in x0.
   LeaveInterpreterFrame(masm, x2);
   __ Ret();
 
   // Load debug copy of the bytecode array.
   __ Bind(&load_debug_bytecode_array);
   __ Ldr(kInterpreterBytecodeArrayRegister,
-         FieldMemOperand(debug_info, DebugInfo::kAbstractCodeIndex));
+         FieldMemOperand(debug_info, DebugInfo::kDebugBytecodeArrayIndex));
   __ B(&bytecode_array_loaded);
 
   // If the bytecode array is no longer present, then the underlying function
   // has been switched to a different kind of code and we heal the closure by
   // switching the code entry field over to the new code object as well.
   __ Bind(&bytecode_array_not_present);
   __ LeaveFrame(StackFrame::JAVA_SCRIPT);
   __ Ldr(x7, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
   __ Ldr(x7, FieldMemOperand(x7, SharedFunctionInfo::kCodeOffset));
   __ Add(x7, x7, Operand(Code::kHeaderSize - kHeapObjectTag));
@@ skipping 1868 matching lines @@
     __ Unreachable();
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM