[debugger] separate break point info from code instrumentation.

src/builtins/mips/builtins-mips.cc

Index: src/builtins/mips/builtins-mips.cc
diff --git a/src/builtins/mips/builtins-mips.cc b/src/builtins/mips/builtins-mips.cc
index 747db7503c38c2d667a4bff42450c9e5506e100b..f460fec7d4c4abd0ad40044e9a0715b5ff1d5a17 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -1116,7 +1116,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   // Load debug copy of the bytecode array.
   __ bind(&load_debug_bytecode_array);
   __ lw(kInterpreterBytecodeArrayRegister,
-        FieldMemOperand(debug_info, DebugInfo::kAbstractCodeIndex));
+        FieldMemOperand(debug_info, DebugInfo::kDebugBytecodeArrayIndex));
   __ Branch(&bytecode_array_loaded);
 
   // If the bytecode array is no longer present, then the underlying function