Kotlin: address KT-86046

Kotlin 2.4.20-RC marks public K1 APIs with K1Deprecation under KT-86046 and rejects the previous repeatable-annotation IR access path.

Opt in to K1Deprecation for 2.4.20 and later, and use the existing annotationClass compatibility extension.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: andersfugmann

java/kotlin-extractor/BUILD.bazel

@@ -107,6 +107,8 @@ kt_javac_options(
                 ("IrSymbolInternals" if version_less(v, "2.0.0") else "UnsafeDuringIrConstructionAPI"),
             ] + (
                 [] if version_less(v, "2.2.20") else ["org.jetbrains.kotlin.DeprecatedForRemovalCompilerApi"]
+            ) + (
+                [] if version_less(v, "2.4.20") else ["org.jetbrains.kotlin.K1Deprecation"]
             ),
             x_suppress_version_warnings = True,
         ),

java/kotlin-extractor/src/main/kotlin/MetaAnnotationSupport.kt

@@ -96,8 +96,7 @@ class MetaAnnotationSupport(
         val metaAnnotations = annotationClass.annotations
         val jvmRepeatable =
             metaAnnotations.find {
-                it.symbol.owner.parentAsClass.fqNameWhenAvailable ==
-                    JvmAnnotationNames.REPEATABLE_ANNOTATION
+                it.annotationClass.fqNameWhenAvailable == JvmAnnotationNames.REPEATABLE_ANNOTATION
             }
         return if (jvmRepeatable != null) {
             ((jvmRepeatable.codeQlGetValueArgument(0) as? IrClassReference)?.symbol as? IrClassSymbol)