diff -r 08a858022ea6 -r 006808ae5f6e langtools/src/jdk.jshell/share/classes/jdk/jshell/Eval.java
--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/Eval.java	Mon Jan 09 16:20:48 2017 -0800
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/Eval.java	Mon Jan 09 18:04:16 2017 -0800
@@ -49,6 +49,7 @@
 import java.io.Writer;
 import java.util.LinkedHashSet;
 import java.util.Set;
+import jdk.jshell.ExpressionToTypeInfo.ExpressionInfo;
 import jdk.jshell.Key.ErroneousKey;
 import jdk.jshell.Key.MethodKey;
 import jdk.jshell.Key.TypeDeclKey;
@@ -58,7 +59,6 @@
 import jdk.jshell.TaskFactory.BaseTask;
 import jdk.jshell.TaskFactory.CompileTask;
 import jdk.jshell.TaskFactory.ParseTask;
-import jdk.jshell.TreeDissector.ExpressionInfo;
 import jdk.jshell.Wrap.Range;
 import jdk.jshell.Snippet.Status;
 import jdk.jshell.spi.ExecutionControl.ClassBytecodes;
@@ -296,7 +296,7 @@
 
     private List<Snippet> processExpression(String userSource, String compileSource) {
         String name = null;
-        ExpressionInfo ei = typeOfExpression(compileSource);
+        ExpressionInfo ei = ExpressionToTypeInfo.expressionInfo(compileSource, state);
         ExpressionTree assignVar;
         Wrap guts;
         Snippet snip;
@@ -499,16 +499,6 @@
         return singletonList(snip);
     }
 
-    private ExpressionInfo typeOfExpression(String expression) {
-        Wrap guts = Wrap.methodReturnWrap(expression);
-        TaskFactory.AnalyzeTask at = trialCompile(guts);
-        if (!at.hasErrors() && at.firstCuTree() != null) {
-            return TreeDissector.createByFirstClass(at)
-                    .typeOfReturnStatement(at, state);
-        }
-        return null;
-    }
-
     /**
      * Should a temp var wrap the expression. TODO make this user configurable.
      *