--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/FunctionDeclarationTreeImpl.java	Wed Mar 18 21:54:58 2015 +0530
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/FunctionDeclarationTreeImpl.java	Wed Mar 18 23:14:12 2015 +0530
@@ -43,7 +43,7 @@
         assert node.getInit() instanceof FunctionNode : "function expected";
         funcNode = (FunctionNode)node.getInit();
         assert funcNode.isDeclared() : "function declaration expected";
-        funcName = node.getName().getName();
+        funcName = funcNode.isAnonymous()? null : node.getName().getName();
         this.params = params;
         this.body = body;
     }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8075454.js	Wed Mar 18 23:14:12 2015 +0530
@@ -0,0 +1,43 @@
+/*
+ * 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-8075454: Anonymous functions have internal names exposed via parser API
+ *
+ * @test
+ * @option -scripting
+ * @run
+ */
+
+var Parser = Java.type("jdk.nashorn.api.tree.Parser");
+var parser = Parser.create();
+
+var ast = parser.parse("test.js", <<EOF
+
+function(x) {
+  return x*x
+}
+
+EOF, print);
+
+Assert.assertNull(ast.sourceElements[0].name);