--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/types/BooleanType.java	Wed Jun 17 09:10:45 2015 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/types/BooleanType.java	Wed Jun 17 14:21:20 2015 +0530
@@ -1,28 +1,3 @@
-/*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
 /*
  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/AbstractParser.java	Wed Jun 17 09:10:45 2015 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/AbstractParser.java	Wed Jun 17 14:21:20 2015 +0530
@@ -459,6 +459,19 @@
         if (kind == TokenKind.KEYWORD || kind == TokenKind.FUTURE || kind == TokenKind.FUTURESTRICT) {
             return true;
         }
+
+        // only literals allowed are null, false and true
+        if (kind == TokenKind.LITERAL) {
+            switch (type) {
+                case FALSE:
+                case NULL:
+                case TRUE:
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
         // Fake out identifier.
         final long identToken = Token.recast(token, IDENT);
         // Get IDENT.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/error/JDK-8098847.js	Wed Jun 17 14:21:20 2015 +0530
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8098847: obj."prop" and obj.'prop' should result in SyntaxError
+ *
+ * @test/compile-error
+ */
+
+var obj = { "prop": 45 };
+
+obj."prop" = "hello";
+obj.'prop' = "hello";

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/error/JDK-8098847.js.EXPECTED	Wed Jun 17 14:21:20 2015 +0530
@@ -0,0 +1,6 @@
+test/script/error/JDK-8098847.js:32:5 Expected ident but found prop
+obj."prop" = "hello";
+     ^
+test/script/error/JDK-8098847.js:33:5 Expected ident but found prop
+obj.'prop' = "hello";
+     ^