[fixes #2469] Support static reference as logger topic

test/transform/resource/before/LoggerSlf4j.java

@@ -17,4 +17,18 @@ class LoggerSlf4jOuter {
 
 @Slf4j(topic="DifferentLogger")
 class LoggerSlf4jWithDifferentLoggerName {
+}
+
+@Slf4j(topic=LoggerSlf4jWithStaticField.TOPIC)
+class LoggerSlf4jWithStaticField {
+	static final String TOPIC = "StaticField";
+}
+
+@Slf4j(topic=LoggerSlf4jWithTwoStaticFields.TOPIC + LoggerSlf4jWithTwoStaticFields.TOPIC)
+class LoggerSlf4jWithTwoStaticFields {
+	static final String TOPIC = "StaticField";
+}
+
+@Slf4j(topic="A"+"B")
+class LoggerSlf4jWithTwoLiterals {
 }