When rethrowing an exception, print the stack trace of its original site instead of rethrow site.

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 685 matching lines @@
 
   void PrintCurrentStackTrace(FILE* out);
   void PrintStackTrace(FILE* out, char* thread_data);
   void PrintStack(StringStream* accumulator);
   void PrintStack();
   Handle<String> StackTraceString();
   Handle<JSArray> CaptureCurrentStackTrace(
       int frame_limit,
       StackTrace::StackTraceOptions options);
 
+  void CaptureAndSetCurrentStackTraceFor(Handle<JSObject> error_object);
+
   // Returns if the top context may access the given global object. If
   // the result is false, the pending exception is guaranteed to be
   // set.
   bool MayNamedAccess(JSObject* receiver,
                       Object* key,
                       v8::AccessType type);
   bool MayIndexedAccess(JSObject* receiver,
                         uint32_t index,
                         v8::AccessType type);
 
   void SetFailedAccessCheckCallback(v8::FailedAccessCheckCallback callback);
   void ReportFailedAccessCheck(JSObject* receiver, v8::AccessType type);
 
   // Exception throwing support. The caller should use the result
   // of Throw() as its return value.
   Failure* Throw(Object* exception, MessageLocation* location = NULL);
   // Re-throw an exception.  This involves no error reporting since
   // error reporting was handled when the exception was thrown
   // originally.
   Failure* ReThrow(MaybeObject* exception, MessageLocation* location = NULL);
   void ScheduleThrow(Object* exception);
   void ReportPendingMessages();
   Failure* ThrowIllegalOperation();
 
   // Promote a scheduled exception to pending. Asserts has_scheduled_exception.
   Failure* PromoteScheduledException();
-  void DoThrow(MaybeObject* exception, MessageLocation* location);
+  void DoThrow(Object* exception, MessageLocation* location);
   // Checks if exception should be reported and finds out if it's
   // caught externally.
   bool ShouldReportException(bool* can_be_caught_externally,
                              bool catchable_by_javascript);
 
   // Attempts to compute the current source location, storing the
   // result in the target out parameter.
   void ComputeLocation(MessageLocation* target);
 
   // Override command line flag.
@@ skipping 391 matching lines @@
                            ThreadLocalTop* archived_thread_data);
   void MarkCompactEpilogue(bool is_compacting,
                            ThreadLocalTop* archived_thread_data);
 
   void FillCache();
 
   void PropagatePendingExceptionToExternalTryCatch();
 
   void InitializeDebugger();
 
+  // Traverse prototype chain to find out whether the object is derived from
+  // the Error object.
+  bool IsErrorObject(Handle<Object> obj);
+
   int stack_trace_nesting_level_;
   StringStream* incomplete_message_;
   // The preallocated memory thread singleton.
   PreallocatedMemoryThread* preallocated_memory_thread_;
   Address isolate_addresses_[kIsolateAddressCount + 1];  // NOLINT
   NoAllocationStringAllocator* preallocated_message_space_;
 
   Bootstrapper* bootstrapper_;
   RuntimeProfiler* runtime_profiler_;
   CompilationCache* compilation_cache_;
@@ skipping 244 matching lines @@
 
 // Mark the global context with out of memory.
 inline void Context::mark_out_of_memory() {
   global_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_