[builtins] HasOwnProperty: handle non-internalized string keys

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index c549798cd8fd4acab37dda2d97b43f338a9a6dc9..d1bbd88c1971383ca19a6d6f49e966b62022bd85 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1562,6 +1562,12 @@ ExternalReference ExternalReference::libc_memset_function(Isolate* isolate) {
   return ExternalReference(Redirect(isolate, FUNCTION_ADDR(libc_memset)));
 }
 
+ExternalReference ExternalReference::try_internalize_string_function(
+    Isolate* isolate) {
+  return ExternalReference(Redirect(
+      isolate, FUNCTION_ADDR(StringTable::LookupStringIfExists_NoAllocate)));
+}
+
 ExternalReference ExternalReference::page_flags(Page* page) {
   return ExternalReference(reinterpret_cast<Address>(page) +
                            MemoryChunk::kFlagsOffset);