Fix FasterXML#2001 remove renamed properties from ignored

Author: Jakub Skierbiszewski

src/main/java/com/fasterxml/jackson/databind/introspect/POJOPropertiesCollector.java

@@ -822,6 +822,11 @@ protected void _renameProperties(Map<String, POJOPropertyBuilder> props)
                 }
                 // replace the creatorProperty too, if there is one
                 _updateCreatorProperty(prop, _creatorProperties);
+
+                // New name of property was ignored previously - remove from ignored [#2001]
+                if (_ignoredPropertyNames != null) {
+                  _ignoredPropertyNames.remove(name);
+                }
             }
         }
     }

src/test/java/com/fasterxml/jackson/databind/introspect/IgnoredFieldPresentInCreatorProperty2001Test.java

@@ -0,0 +1,32 @@
+package com.fasterxml.jackson.databind.introspect;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Test;
+
+import java.beans.ConstructorProperties;
+import java.io.IOException;
+
+// Tests for [databind#2001]
+public class IgnoredFieldPresentInCreatorProperty2001Test extends BaseMapTest {
+
+    static public class Foo {
+
+        @JsonIgnore
+        public String query;
+
+        @JsonCreator
+        @ConstructorProperties("rawQuery")
+        public Foo(@JsonProperty("query") String rawQuery) {
+        query = rawQuery;
+      }
+    }
+
+    public void testIgnoredFieldPresentInPropertyCreator() throws IOException {
+        Foo deserialized = new ObjectMapper().readValue("{\"query\": \"bar\"}", Foo.class);
+        assertEquals("bar", deserialized.query);
+    }
+}