[es6] Make sure temporaries are not allocated in block scope

src/globals.h

 // Copyright 2012 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.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 792 matching lines @@
 
   CONST_LEGACY,    // declared via legacy 'const' declarations
 
   LET,             // declared via 'let' declarations (first lexical)
 
   CONST,           // declared via 'const' declarations
 
   IMPORT,          // declared via 'import' declarations (last lexical)
 
   // Variables introduced by the compiler:
-  INTERNAL,        // like VAR, but not user-visible (may or may not
-                   // be in a context)
-
   TEMPORARY,       // temporary variables (not user-visible), stack-allocated
                    // unless the scope as a whole has forced context allocation
 
   DYNAMIC,         // always require dynamic lookup (we don't know
                    // the declaration)
 
   DYNAMIC_GLOBAL,  // requires dynamic lookup, but we know that the
                    // variable is global unless it has been shadowed
                    // by an eval-introduced variable
 
@@ skipping 213 matching lines @@
 inline FunctionKind WithObjectLiteralBit(FunctionKind kind) {
   kind = static_cast<FunctionKind>(kind | FunctionKind::kInObjectLiteral);
   DCHECK(IsValidFunctionKind(kind));
   return kind;
 }
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_