diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA89801.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA89801.java
new file mode 100644
index 000000000000..28d970737d2f
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA89801.java
@@ -0,0 +1,7 @@
+import java.util.*;
+class Test {
+  {
+    Map<Number, String> map1 = null;
+    Map<Integer, String> map2 = <error descr="Inconvertible types; cannot cast 'java.util.Map<java.lang.Number,java.lang.String>' to 'java.util.Map<java.lang.Integer,java.lang.String>'">(Map<Integer, String>) map1</error>;
+  }
+}
\ No newline at end of file
diff --git a/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/expected.xml b/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/expected.xml
new file mode 100644
index 000000000000..4704d91e891d
--- /dev/null
+++ b/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/expected.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems/>
\ No newline at end of file
diff --git a/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/src/Test.java b/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/src/Test.java
new file mode 100644
index 000000000000..bf7e46e214d4
--- /dev/null
+++ b/java/java-tests/testData/inspection/redundantCast/generics/CastToUnboundWildcard/src/Test.java
@@ -0,0 +1,9 @@
+import java.util.*;
+import java.util.Map;
+
+class Test {
+  {
+    Map<Number, String> map1 = null;
+    Map<Integer, String> map2 = (Map<Integer, String>) (Map<?, ?>) map1;
+  }
+}
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java
index 7c327e49d9c1..191c956e498d 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java
@@ -137,6 +137,7 @@ public class GenericsHighlightingTest extends LightDaemonAnalyzerTestCase {
   public void testIDEA57339() throws Exception {doTest(false);}
   public void testIDEA57340() throws Exception {doTest(false);}
   public void testIDEA89771() throws Exception {doTest(false);}
+  public void testIDEA89801() throws Exception {doTest(false);}
   public void testInconvertibleTypes() throws Exception {doTest(false);}
 
   public void testJavaUtilCollections_NoVerify() throws Exception {
diff --git a/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCast15Test.java b/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCast15Test.java
index 71f07757ffec..d235bc43b2e1 100644
--- a/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCast15Test.java
+++ b/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCast15Test.java
@@ -37,6 +37,7 @@ public class RedundantCast15Test extends InspectionTestCase {
   public void testEnumConstant() throws Exception { doTest(); }
 
   public void testRawCast() throws Exception { doTest();}
+  public void testCastToUnboundWildcard() throws Exception { doTest();}
 
   public void testRawCastsToAvoidIncompatibility() throws Exception { doTest();}