[runtime] support new Proxy() instead of Proxy.create and install getPrototypeOf trap

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index a845e06f232b9f0ec18e9592b98df20a98ed9102..ace7ee4e348c424bcb1c9560fa65e32ccff8e57c 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -733,11 +733,15 @@ void JSDate::JSDatePrint(std::ostream& os) {  // NOLINT
 
 void JSProxy::JSProxyPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "JSProxy");
-  os << " - map = " << reinterpret_cast<void*>(map()) << "\n";
-  os << " - handler = ";
-  handler()->Print(os);
+  os << " - map = " << reinterpret_cast<void*>(map());
   os << "\n - hash = ";
   hash()->Print(os);
+  os << "\n\n";
+  HeapObject::PrintHeader(os, "JSProxy Handler");
+  handler()->Print(os);
+  os << "\n\n";
+  HeapObject::PrintHeader(os, "JSProxy Target");
+  target()->Print(os);
   os << "\n";
 }