--- a/src/jdk/nashorn/internal/ir/BinaryNode.java	Tue Nov 11 16:17:37 2014 +0100
+++ b/src/jdk/nashorn/internal/ir/BinaryNode.java	Tue Nov 11 17:27:44 2014 +0100
@@ -264,6 +264,10 @@
         case COMMARIGHT: {
             return rhs.getType(localVariableTypes);
         }
+        case AND:
+        case OR:{
+            return Type.widestReturnType(lhs.getType(localVariableTypes), rhs.getType(localVariableTypes));
+        }
         default:
             if (isComparison()) {
                 return Type.BOOLEAN;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8062799.js	Tue Nov 11 17:27:44 2014 +0100
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2014 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-8062799: Binary logical expressions can have numeric types
+ *
+ * @test
+ * @run
+ */
+
+(function() {
+    var inspect = Java.type("jdk.nashorn.test.tools.StaticTypeInspector").inspect;
+    
+    var b = true;
+    var i = 1;
+    var l = 4294967296;
+    var d = 2.1;
+    var o = "foo";
+
+    print(inspect(b || b, "b || b"));
+    print(inspect(b || i, "b || i"));
+    print(inspect(b || l, "b || l"));
+    print(inspect(b || d, "b || d"));
+    print(inspect(b || o, "b || o"));
+        
+    print(inspect(i || b, "i || b"));
+    print(inspect(i || i, "i || i"));
+    print(inspect(i || l, "i || l"));
+    print(inspect(i || d, "i || d"));
+    print(inspect(i || o, "i || o"));
+
+    print(inspect(l || b, "l || b"));
+    print(inspect(l || i, "l || i"));
+    print(inspect(l || l, "l || l"));
+    print(inspect(l || d, "l || d"));
+    print(inspect(l || o, "l || o"));
+
+    print(inspect(d || b, "d || b"));
+    print(inspect(d || i, "d || i"));
+    print(inspect(d || l, "d || l"));
+    print(inspect(d || d, "d || d"));
+    print(inspect(d || o, "d || o"));
+
+    print(inspect(o || b, "o || b"));
+    print(inspect(o || i, "o || i"));
+    print(inspect(o || l, "o || l"));
+    print(inspect(o || d, "o || d"));
+    print(inspect(o || o, "o || o"));
+
+    print(inspect(b && b, "b && b"));
+    print(inspect(b && i, "b && i"));
+    print(inspect(b && l, "b && l"));
+    print(inspect(b && d, "b && d"));
+    print(inspect(b && o, "b && o"));
+        
+    print(inspect(i && b, "i && b"));
+    print(inspect(i && i, "i && i"));
+    print(inspect(i && l, "i && l"));
+    print(inspect(i && d, "i && d"));
+    print(inspect(i && o, "i && o"));
+
+    print(inspect(l && b, "l && b"));
+    print(inspect(l && i, "l && i"));
+    print(inspect(l && l, "l && l"));
+    print(inspect(l && d, "l && d"));
+    print(inspect(l && o, "l && o"));
+
+    print(inspect(d && b, "d && b"));
+    print(inspect(d && i, "d && i"));
+    print(inspect(d && l, "d && l"));
+    print(inspect(d && d, "d && d"));
+    print(inspect(d && o, "d && o"));
+
+    print(inspect(o && b, "o && b"));
+    print(inspect(o && i, "o && i"));
+    print(inspect(o && l, "o && l"));
+    print(inspect(o && d, "o && d"));
+    print(inspect(o && o, "o && o"));
+})();
+
+    
+    
+        
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8062799.js.EXPECTED	Tue Nov 11 17:27:44 2014 +0100
@@ -0,0 +1,50 @@
+b || b: boolean
+b || i: boolean
+b || l: boolean
+b || d: boolean
+b || o: boolean
+i || b: int
+i || i: int
+i || l: long
+i || d: double
+i || o: int
+l || b: long
+l || i: long
+l || l: long
+l || d: double
+l || o: long
+d || b: double
+d || i: double
+d || l: double
+d || d: double
+d || o: double
+o || b: object
+o || i: object
+o || l: object
+o || d: object
+o || o: object
+b && b: boolean
+b && i: int
+b && l: long
+b && d: double
+b && o: object
+i && b: boolean
+i && i: int
+i && l: long
+i && d: double
+i && o: object
+l && b: boolean
+l && i: long
+l && l: long
+l && d: double
+l && o: object
+d && b: boolean
+d && i: double
+d && l: double
+d && d: double
+d && o: object
+o && b: boolean
+o && i: int
+o && l: long
+o && d: double
+o && o: object