--- a/nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java	Tue Oct 08 16:46:03 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java	Wed Oct 09 10:47:47 2013 +0200
@@ -2893,7 +2893,7 @@
         final Label  falseLabel = new Label("ternary_false");
         final Label  exitLabel  = new Label("ternary_exit");
 
-        Type widest = Type.widest(trueExpr.getType(), falseExpr.getType());
+        Type widest = Type.widest(ternaryNode.getType(), Type.widest(trueExpr.getType(), falseExpr.getType()));
         if (trueExpr.getType().isArray() || falseExpr.getType().isArray()) { //loadArray creates a Java array type on the stack, calls global allocate, which creates a native array type
             widest = Type.OBJECT;
         }
@@ -2904,7 +2904,7 @@
         // we still keep the conversion here as the AccessSpecializer can have separated the types, e.g. var y = x ? x=55 : 17
         // will left as (Object)x=55 : (Object)17 by Lower. Then the first term can be {I}x=55 of type int, which breaks the
         // symmetry for the temporary slot for this TernaryNode. This is evidence that we assign types and explicit conversions
-        // to early, or Apply the AccessSpecializer too late. We are mostly probably looking for a separate type pass to
+        // too early, or Apply the AccessSpecializer too late. We are mostly probably looking for a separate type pass to
         // do this property. Then we never need any conversions in CodeGenerator
         method.ifeq(falseLabel);
         load(trueExpr);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8026112.js	Wed Oct 09 10:47:47 2013 +0200
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ * 
+ * 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-8026112: Function("with(x ? 1e81 : (x2.constructor = 0.1)){}") throws AssertionError: double is not compatible with object
+ *
+ * @test
+ * @run
+ */
+
+Function("with(x ? 1e81 : (x2.constructor = 0.1)){}")