Omit frames up to new target in Error constructor

src/messages.cc

 // Copyright 2011 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/messages.h"
 
 #include "src/api.h"
 #include "src/bootstrapper.h"
 #include "src/execution.h"
 #include "src/isolate-inl.h"
@@ skipping 484 matching lines @@
                                      err, isolate->factory()->message_string(),
                                      msg_string, DONT_ENUM),
                         Object);
   }
 
   // Optionally capture a more detailed stack trace for the message.
   if (!suppress_detailed_trace) {
     RETURN_ON_EXCEPTION(isolate, isolate->CaptureAndSetDetailedStackTrace(err),
                         Object);
   }
+
+  // When we're passed a JSFunction as new target, we can skip frames until that
+  // specific function is seen instead of unconditionally skipping the first
+  // frame.
+  Handle<Object> caller;
+  if (mode == SKIP_FIRST && new_target->IsJSFunction()) {
+    mode = SKIP_UNTIL_SEEN;
+    caller = new_target;
+  }
+
   // Capture a simple stack trace for the stack property.
-  RETURN_ON_EXCEPTION(isolate, isolate->CaptureAndSetSimpleStackTrace(
-                                   err, mode, Handle<Object>()),
+  RETURN_ON_EXCEPTION(isolate,
+                      isolate->CaptureAndSetSimpleStackTrace(err, mode, caller),
                       Object);
 
   return err;
 }
 
 }  // namespace internal
 }  // namespace v8