Experimental parser: fix two byte to one byte allocation

src/lexer/lexer.cc

Index: src/lexer/lexer.cc
diff --git a/src/lexer/lexer.cc b/src/lexer/lexer.cc
index 4c565a060a8f72a88d3398bc575709a642534f4a..c8c43b9f0d9717444f5af5dcddeab10827fd3393 100644
--- a/src/lexer/lexer.cc
+++ b/src/lexer/lexer.cc
@@ -708,7 +708,7 @@ Handle<String> Lexer<Char>::AllocateInternalizedString(
   LiteralDesc* literal = current_literal_;
   const TokenDesc& token = current_;
   // TODO(dcarney): handle utf8 directly.
-  if (source_handle_.is_null()  || MustBeInBuffer(token)) {
+  if (source_handle_.is_null()  || MustBeInBufferForAllocation(token)) {
     EnsureLiteralIsValid(token, literal);
     return literal->is_one_byte() ?
         factory->InternalizeOneByteString(literal->one_byte_string()) :
@@ -733,7 +733,7 @@ Handle<String> Lexer<Char>::AllocateNextLiteralString(Isolate* isolate,
   LiteralDesc* literal = next_literal_;
   const TokenDesc& token = next_;
   // TODO(dcarney): handle utf8 directly.
-  if (source_handle_.is_null()  || MustBeInBuffer(token)) {
+  if (source_handle_.is_null()  || MustBeInBufferForAllocation(token)) {
     EnsureLiteralIsValid(token, literal);
     return literal->is_one_byte() ?
         factory->NewStringFromOneByte(literal->one_byte_string(), tenured) :