Write annotations with RetensionPolicy(SOURCE) to light classes

compiler/backend/src/org/jetbrains/kotlin/codegen/AnnotationCodegen.java

@@ -183,7 +183,7 @@ public abstract class AnnotationCodegen {
         ClassifierDescriptor classifierDescriptor = annotationDescriptor.getType().getConstructor().getDeclarationDescriptor();
         assert classifierDescriptor != null : "Annotation descriptor has no class: " + annotationDescriptor;
         RetentionPolicy rp = getRetentionPolicy(classifierDescriptor);
-        if (rp == RetentionPolicy.SOURCE) {
+        if (rp == RetentionPolicy.SOURCE && typeMapper.getClassBuilderMode() != ClassBuilderMode.LIGHT_CLASSES) {
             return null;
         }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/state/JetTypeMapper.java

@@ -792,6 +792,10 @@ public class JetTypeMapper {
         return result;
     }
 
+    public ClassBuilderMode getClassBuilderMode() {
+        return classBuilderMode;
+    }
+
     private static boolean isConstructor(@NotNull Method method) {
         return "<init>".equals(method.getName());
     }