Allow numeric literals to be checked for a decimal point.

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index faf36c4c7455d541f2bf38f6761f52fe1b359bd1..b9dcbfd84d11baf66e5b9f51e3f822510e0ed1d1 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -815,8 +815,9 @@ Literal* ParserTraits::ExpressionFromLiteral(Token::Value token, int pos,
       return factory->NewSmiLiteral(value, pos);
     }
     case Token::NUMBER: {
+      bool has_dot = scanner->ContainsDot();
       double value = scanner->DoubleValue();
-      return factory->NewNumberLiteral(value, pos);
+      return factory->NewNumberLiteral(value, pos, has_dot);
     }
     default:
       DCHECK(false);