Use known jvm binary class for package part if possible

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/AbstractBinaryClassAnnotationAndConstantLoader.kt

@@ -242,7 +242,10 @@ abstract class AbstractBinaryClassAnnotationAndConstantLoader<A : Any, C : Any,
             }
         }
         if (container is ProtoContainer.Package && container.source is JvmPackagePartSource) {
-            return kotlinClassFinder.findKotlinClass((container.source as JvmPackagePartSource).classId)
+            val jvmPackagePartSource = container.source as JvmPackagePartSource
+
+            return jvmPackagePartSource.knownJvmBinaryClass
+                   ?: kotlinClassFinder.findKotlinClass(jvmPackagePartSource.classId)
         }
         return null
     }

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/JvmPackagePartSource.kt

@@ -27,7 +27,8 @@ class JvmPackagePartSource(
         val className: JvmClassName,
         val facadeClassName: JvmClassName?,
         override val incompatibility: IncompatibleVersionErrorData<JvmMetadataVersion>? = null,
-        override val isPreReleaseInvisible: Boolean = false
+        override val isPreReleaseInvisible: Boolean = false,
+        val knownJvmBinaryClass: KotlinJvmBinaryClass? = null
 ) : DeserializedContainerSource {
     constructor(
             kotlinClass: KotlinJvmBinaryClass,
@@ -39,7 +40,8 @@ class JvmPackagePartSource(
                 if (it.isNotEmpty()) JvmClassName.byInternalName(it) else null
             },
             incompatibility,
-            isPreReleaseInvisible
+            isPreReleaseInvisible,
+            kotlinClass
     )
 
     override val presentableString: String