Fix ScopeInfo::StackSlotIndex to skip over non-locals

src/objects.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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 3982 matching lines @@
   // Return true if this local was introduced by the compiler, and should not be
   // exposed to the user in a debugger.
   bool LocalIsSynthetic(int var);
 
   String* StrongModeFreeVariableName(int var);
   int StrongModeFreeVariableStartPosition(int var);
   int StrongModeFreeVariableEndPosition(int var);
 
   // Lookup support for serialized scope info. Returns the
   // the stack slot index for a given slot name if the slot is
-  // present; otherwise returns a value < 0. The name must be an internalized
-  // string.
-  int StackSlotIndex(String* name);
+  // allocated to a local; otherwise returns a value < 0.
+  // The name must be an internalized string.
+  int StackLocalSlotIndex(String* name);
 
   // Lookup support for serialized scope info. Returns the
   // context slot index for a given slot name if the slot is present; otherwise
   // returns a value < 0. The name must be an internalized string.
   // If the slot is present and mode != NULL, sets *mode to the corresponding
   // mode for that variable.
   static int ContextSlotIndex(Handle<ScopeInfo> scope_info, Handle<String> name,
                               VariableMode* mode, InitializationFlag* init_flag,
                               MaybeAssignedFlag* maybe_assigned_flag);
 
@@ skipping 6807 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_