Remove separate construct stub for new.target users.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 684a37ff87ee10abe9b965a390a12c51f22f0414..40f1db3d57aead60040ffc849f5d7b27f7bfd13b 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -1230,6 +1230,12 @@ void Deoptimizer::DoComputeConstructStubFrame(TranslationIterator* iterator,
     PrintF(trace_scope_->file(), "(%d)\n", height - 1);
   }
 
+  // The original constructor.
+  output_offset -= kPointerSize;
+  value = reinterpret_cast<intptr_t>(isolate_->heap()->undefined_value());
+  output_frame->SetFrameSlot(output_offset, value);
+  DebugPrintOutputSlot(value, frame_index, output_offset, "new.target\n");
+
   // The newly allocated object was passed as receiver in the artificial
   // constructor stub environment created by HEnvironment::CopyForInlining().
   output_offset -= kPointerSize;