Handlify callers of Object::GetElement.

src/isolate.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 128 matching lines @@
     if ((call).is_null()) {                                \
       ASSERT((isolate)->has_pending_exception());          \
       return (value);                                      \
     }                                                      \
   } while (false)
 
 #define CHECK_NOT_EMPTY_HANDLE(isolate, call)     \
   do {                                            \
     ASSERT(!(isolate)->has_pending_exception());  \
     CHECK(!(call).is_null());                     \
-    CHECK(!(isolate)->has_pending_exception());   \
   } while (false)
 
 #define RETURN_IF_EMPTY_HANDLE(isolate, call)                       \
   RETURN_IF_EMPTY_HANDLE_VALUE(isolate, call, Failure::Exception())
 
 #define FOR_EACH_ISOLATE_ADDRESS_NAME(C)                \
   C(Handler, handler)                                   \
   C(CEntryFP, c_entry_fp)                               \
   C(Context, context)                                   \
   C(PendingException, pending_exception)                \
@@ skipping 1398 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_