--- a/src/jdk/nashorn/internal/codegen/BranchOptimizer.java	Tue Oct 15 22:13:56 2013 +0530
+++ b/src/jdk/nashorn/internal/codegen/BranchOptimizer.java	Thu Oct 17 13:02:07 2013 +0530
@@ -84,7 +84,6 @@
     private void branchOptimizer(final BinaryNode binaryNode, final Label label, final boolean state) {
         final Expression lhs = binaryNode.lhs();
         final Expression rhs = binaryNode.rhs();
-        Type widest = Type.widest(lhs.getType(), rhs.getType());
 
         switch (binaryNode.tokenType()) {
         case AND:
@@ -113,33 +112,33 @@
 
         case EQ:
         case EQ_STRICT:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? EQ : NE, true, label);
             return;
 
         case NE:
         case NE_STRICT:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? NE : EQ, true, label);
             return;
 
         case GE:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? GE : LT, !state, label);
             return;
 
         case GT:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? GT : LE, !state, label);
             return;
 
         case LE:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? LE : GT, state, label);
             return;
 
         case LT:
-            codegen.loadBinaryOperands(lhs, rhs, widest);
+            codegen.loadBinaryOperands(lhs, rhs, Type.widest(lhs.getType(), rhs.getType()));
             method.conditionalJump(state ? LT : GE, state, label);
             return;
 

--- a/src/jdk/nashorn/internal/codegen/CompilationPhase.java	Tue Oct 15 22:13:56 2013 +0530
+++ b/src/jdk/nashorn/internal/codegen/CompilationPhase.java	Thu Oct 17 13:02:07 2013 +0530
@@ -162,7 +162,7 @@
     LOWERING_PHASE(EnumSet.of(INITIALIZED, PARSED, CONSTANT_FOLDED)) {
         @Override
         FunctionNode transform(final Compiler compiler, final FunctionNode fn) {
-            return (FunctionNode)fn.accept(new Lower(compiler));
+            return (FunctionNode)fn.accept(new Lower(compiler.getCodeInstaller()));
         }
 
         @Override

--- a/src/jdk/nashorn/internal/codegen/Lower.java	Tue Oct 15 22:13:56 2013 +0530
+++ b/src/jdk/nashorn/internal/codegen/Lower.java	Thu Oct 17 13:02:07 2013 +0530
@@ -68,6 +68,7 @@
 import jdk.nashorn.internal.ir.visitor.NodeVisitor;
 import jdk.nashorn.internal.parser.Token;
 import jdk.nashorn.internal.parser.TokenType;
+import jdk.nashorn.internal.runtime.CodeInstaller;
 import jdk.nashorn.internal.runtime.DebugLogger;
 import jdk.nashorn.internal.runtime.ScriptRuntime;
 import jdk.nashorn.internal.runtime.Source;
@@ -86,13 +87,13 @@
 
     private static final DebugLogger LOG = new DebugLogger("lower");
 
-    // needed only to get unique eval id from code installer
-    private final Compiler compiler;
+    // needed only to get unique eval id
+    private final CodeInstaller installer;
 
     /**
      * Constructor.
      */
-    Lower(final Compiler compiler) {
+    Lower(final CodeInstaller installer) {
         super(new BlockLexicalContext() {
 
             @Override
@@ -135,7 +136,7 @@
                 return block.setIsTerminal(this, false);
             }
         });
-        this.compiler = compiler;
+        this.installer = installer;
     }
 
     @Override
@@ -534,6 +535,8 @@
     private String evalLocation(final IdentNode node) {
         final Source source = lc.getCurrentFunction().getSource();
         final int pos = node.position();
+        // Code installer is null when running with --compile-only, use 0 as id in that case
+        final long id = installer == null ? 0 : installer.getUniqueEvalId();
         return new StringBuilder().
             append(source.getName()).
             append('#').
@@ -541,7 +544,7 @@
             append(':').
             append(source.getColumn(pos)).
             append("<eval>@").
-            append(compiler.getCodeInstaller().getUniqueEvalId()).
+            append(id).
             toString();
     }
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8026692.js	Thu Oct 17 13:02:07 2013 +0530
@@ -0,0 +1,32 @@
+/*
+ * 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-8026692: eval() throws NullPointerException with --compile-only
+ *
+ * @test
+ * @option --compile-only
+ * @run
+ */
+
+eval("");

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8026693.js	Thu Oct 17 13:02:07 2013 +0530
@@ -0,0 +1,33 @@
+/*
+ * 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-8026693: getType() called on DISCARD node
+ *
+ * @test
+ * @run
+ */
+
+function f() {
+    if(x, y) z;
+}