--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGenerator.java	Thu May 14 20:14:44 2015 -0700
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGenerator.java	Fri May 15 10:19:37 2015 +0200
@@ -3798,7 +3798,6 @@
             emitBranch(binaryNode, onTrue, true);
             if (isCurrentDiscard) {
                 method.label(onTrue);
-                method.pop();
             } else {
                 method.load(false);
                 method._goto(skip);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8079424.js	Fri May 15 10:19:37 2015 +0200
@@ -0,0 +1,50 @@
+/*
+ * 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-8079424: code generator for discarded boolean logical operation has an extra pop
+ *
+ * @test
+ * @run
+ */
+
+// If the compiler manages to compile all of these, the test passes.
+void (true && true);
+void (true && false);
+void (false && true);
+void (false && false);
+
+void (true || true);
+void (true || false);
+void (false || true);
+void (false || false);
+
+void (1 && 1);
+void (1 && 0);
+void (0 && 1);
+void (0 && 0);
+
+void (1 || 1);
+void (1 || 0);
+void (0 || 1);
+void (0 || 0);