diff -r 56ca125c973b -r d488477865c0 src/jdk.jshell/share/classes/jdk/jshell/Eval.java
--- a/src/jdk.jshell/share/classes/jdk/jshell/Eval.java	Thu Nov 29 06:34:46 2018 -0800
+++ b/src/jdk.jshell/share/classes/jdk/jshell/Eval.java	Thu Nov 29 17:45:29 2018 -0800
@@ -327,7 +327,7 @@
                     String initCode = rinit.part(compileSource);
                     ExpressionInfo ei =
                             ExpressionToTypeInfo.localVariableTypeForInitializer(initCode, state, false);
-                    if (ei != null) {
+                    if (ei != null && ei.declareTypeName != null) {
                         typeName = ei.declareTypeName;
                         fullTypeName = ei.fullTypeName;
                         displayType = ei.displayTypeName;