[printing] show symbols when using %DebugPrint

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 8cc551f508bf8635bfd68af77df23de345b1c113..aa880024c48e852f2a0527d35e6566483e96809a 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -8834,7 +8834,7 @@ class String: public Name {
   bool LooksValid();
 
   // Dispatched behavior.
-  void StringShortPrint(StringStream* accumulator);
+  void StringShortPrint(StringStream* accumulator, bool show_details = true);
   void PrintUC16(std::ostream& os, int start = 0, int end = -1);  // NOLINT
 #if defined(DEBUG) || defined(OBJECT_PRINT)
   char* ToAsciiArray();