From 8bf6dd94185222bd5c152a6160b0321dcfe83126 Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Thu, 24 Jan 2019 09:51:19 +0700
Subject: [PATCH] ExcessiveRangeCheckInspection: check for isEmpty

---
 .../com/siyeh/ig/controlflow/ExcessiveRangeCheckInspection.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/InspectionGadgets/src/com/siyeh/ig/controlflow/ExcessiveRangeCheckInspection.java b/plugins/InspectionGadgets/src/com/siyeh/ig/controlflow/ExcessiveRangeCheckInspection.java
index 1164000fa80e..a51ddee4c067 100644
--- a/plugins/InspectionGadgets/src/com/siyeh/ig/controlflow/ExcessiveRangeCheckInspection.java
+++ b/plugins/InspectionGadgets/src/com/siyeh/ig/controlflow/ExcessiveRangeCheckInspection.java
@@ -56,7 +56,7 @@ public class ExcessiveRangeCheckInspection extends AbstractBaseJavaLocalInspecti
           if (!andChain) {
             set = constraint.getFullRange().subtract(set);
           }
-          if (set.min() == set.max()) {
+          if (!set.isEmpty() && set.min() == set.max()) {
             String text = constraint.myExpression.getText() + constraint.getExpressionSuffix();
             String replacement = text + ' ' + (andChain ? "==" : "!=") + ' ' + set.min();
             String message = InspectionGadgetsBundle.message("inspection.excessive.range.check.message", replacement);