Fix #4932

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/node/JsonNodeConversionsTest.java

@@ -419,4 +419,11 @@ public void testValueToTree() throws Exception
         assertEquals(wrapRootMapper.readValue(expected, Map.class), wrapRootMapper.readValue(wrapRootMapper.writeValueAsString(value), Map.class));
         assertEquals(wrapRootMapper.readValue(expected, Map.class), wrapRootMapper.readValue(wrapRootMapper.valueToTree(value).toString(), Map.class));
     }
+
+    // [databind#4932]: handling of `MissingNode` wrt conversions
+    @Test
+    void treeToValueWithMissingNode4932() throws Exception {
+      assertNull(MAPPER.treeToValue(MAPPER.nullNode(), Object.class));
+      assertNull(MAPPER.treeToValue(MAPPER.missingNode(), Object.class));
+    }
 }