Forgot to hook up the ExternalOneByteStringUtf16CharacterStream to lazy parsing

src/parsing/parser.cc

 // Copyright 2012 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/parsing/parser.h"
 
 #include <memory>
 
 #include "src/api.h"
 #include "src/ast/ast.h"
@@ skipping 1033 matching lines @@
   isolate->counters()->total_parse_size()->Increment(source->length());
   base::ElapsedTimer timer;
   if (FLAG_trace_parse) {
     timer.Start();
   }
   Handle<SharedFunctionInfo> shared_info = info->shared_info();
 
   // Initialize parser state.
   source = String::Flatten(source);
   FunctionLiteral* result;
-  if (source->IsExternalTwoByteString()) {
-    ExternalTwoByteStringUtf16CharacterStream stream(
-        Handle<ExternalTwoByteString>::cast(source),
-        shared_info->start_position(),
-        shared_info->end_position());
-    result = ParseLazy(isolate, info, &stream);
-  } else {
-    GenericStringUtf16CharacterStream stream(source,
-                                             shared_info->start_position(),
-                                             shared_info->end_position());
-    result = ParseLazy(isolate, info, &stream);
+  {
+    std::unique_ptr<Utf16CharacterStream> stream;
+    if (source->IsExternalTwoByteString()) {
+      stream.reset(new ExternalTwoByteStringUtf16CharacterStream(
+          Handle<ExternalTwoByteString>::cast(source),
+          shared_info->start_position(), shared_info->end_position()));
+    } else if (source->IsExternalOneByteString()) {
+      stream.reset(new ExternalOneByteStringUtf16CharacterStream(
+          Handle<ExternalOneByteString>::cast(source),
+          shared_info->start_position(), shared_info->end_position()));
+    } else {
+      stream.reset(new GenericStringUtf16CharacterStream(
+          source, shared_info->start_position(), shared_info->end_position()));
+    }
+    result = ParseLazy(isolate, info, stream.get());
   }
 
   if (FLAG_trace_parse && result != NULL) {
     double ms = timer.Elapsed().InMillisecondsF();
     std::unique_ptr<char[]> name_chars = result->debug_name()->ToCString();
     PrintF("[parsing function: %s - took %0.3f ms]\n", name_chars.get(), ms);
   }
   return result;
 }
 
@@ skipping 6021 matching lines @@
   node->Print(Isolate::Current());
 }
 #endif  // DEBUG
 
 #undef CHECK_OK
 #undef CHECK_OK_VOID
 #undef CHECK_FAILED
 
 }  // namespace internal
 }  // namespace v8