[Interpreter] Always store current context in the frames context slot.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 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/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 1323 matching lines @@
       if (!FitsInReg8Operand(reg)) { return false; }
       break;
     case OperandSize::kShort:
       if (!FitsInReg16Operand(reg)) { return false; }
       break;
     case OperandSize::kNone:
       UNREACHABLE();
       return false;
   }
 
-  if (reg.is_function_context() || reg.is_function_closure() ||
+  if (reg.is_current_context() || reg.is_function_closure() ||
       reg.is_new_target()) {
     return true;
   } else if (reg.is_parameter()) {
     int parameter_index = reg.ToParameterIndex(parameter_count_);
     return parameter_index >= 0 && parameter_index < parameter_count_;
   } else if (reg.index() < fixed_register_count()) {
     return true;
   } else {
     return TemporaryRegisterIsLive(reg);
   }
@@ skipping 330 matching lines @@
 
 
 // static
 bool BytecodeArrayBuilder::FitsInReg16Operand(Register value) {
   return kMinInt16 <= value.index() && value.index() <= kMaxInt16;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8