Bump Kotlin to 1.6.0-RC (#2189)

* Bump Kotlin to 1.6.0-RC

* Update Kotlin to 1.6.0-RC in integration tests

* Change Dokka Version

6 files changed, 8 insertions, 8 deletions

diff --git a/gradle.properties b/gradle.properties
index b68463cd..4f2dbd00 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,12 +1,12 @@
 # Project Settings
-dokka_version_base=1.6.0
+dokka_version_base=1.6.0-RC
 dokka_publication_channels=maven-central-snapshot&space-dokka-dev
 dokka_integration_test_parallelism=2
 # Versions
-kotlin_version=1.5.31
+kotlin_version=1.6.0-RC
 coroutines_version=1.5.1
 kotlinx_html_version=0.7.3
-kotlin_plugin_version=211-1.5.31-release-551-IJ7442.40
+kotlin_plugin_version=211-1.6.0-RC-release-681-IJ7442.40
 jsoup_version=1.13.1
 idea_version=211.7442.40
 language_version=1.4
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt
index b8cf5097..fbebde7d 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt
@@ -21,7 +21,7 @@ class Android0GradleIntegrationTest(override val versions: BuildVersions) : Abst
             androidGradlePluginVersions = listOf("4.0.0")
         ) + BuildVersions.permutations(
             gradleVersions = listOf("7.0"),
-            kotlinVersions = listOf("1.5.31", *ifExhaustive("1.4.0", "1.3.72")),
+            kotlinVersions = listOf("1.6.0-RC", "1.5.31", *ifExhaustive("1.4.0", "1.3.72")),
             androidGradlePluginVersions = listOf("4.2.0")
         )
     }
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
index e6fa87ff..4583a111 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
@@ -12,7 +12,7 @@ class BasicGradleIntegrationTest(override val versions: BuildVersions) : Abstrac
         @get:Parameters(name = "{0}")
         val versions = BuildVersions.permutations(
             gradleVersions = listOf("7.2", *ifExhaustive("7.0", "6.6", "6.3", "6.2.2", "6.1.1")),
-            kotlinVersions = listOf("1.3.30", *ifExhaustive("1.3.72", "1.4.32"), "1.5.0", "1.5.31")
+            kotlinVersions = listOf("1.3.30", *ifExhaustive("1.3.72", "1.4.32"), "1.5.0", "1.5.31", "1.6.0-RC")
         ) + BuildVersions.permutations(
             gradleVersions = listOf("5.6.4", "6.0"),
             kotlinVersions = listOf("1.3.30", *ifExhaustive("1.3.72", "1.4.32"))
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/MultiModule0IntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/MultiModule0IntegrationTest.kt
index 8c1d157b..dd25a08b 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/MultiModule0IntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/MultiModule0IntegrationTest.kt
@@ -11,7 +11,7 @@ class MultiModule0IntegrationTest(override val versions: BuildVersions) : Abstra
         @get:Parameterized.Parameters(name = "{0}")
         val versions = BuildVersions.permutations(
             gradleVersions = listOf("7.2", "7.0", "6.6", "6.1.1"),
-            kotlinVersions = listOf("1.5.31", "1.5.0", "1.4.0")
+            kotlinVersions = listOf("1.6.0-RC", "1.5.31", "1.5.0", "1.4.0")
         )
     }
 
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Versioning0IntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Versioning0IntegrationTest.kt
index bb83cf3d..0768f734 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Versioning0IntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Versioning0IntegrationTest.kt
@@ -12,7 +12,7 @@ class Versioning0IntegrationTest(override val versions: BuildVersions) : Abstrac
         @get:Parameterized.Parameters(name = "{0}")
         val versions = BuildVersions.permutations(
             gradleVersions = listOf("7.0", "7.2"),
-            kotlinVersions = listOf("1.5.31", "1.5.0")
+            kotlinVersions = listOf("1.6.0-RC", "1.5.31", "1.5.0")
         )
     }
 
diff --git a/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt b/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
index f80cb6df..ad9e34df 100644
--- a/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
+++ b/plugins/base/src/main/kotlin/transformers/documentables/ReportUndocumentedTransformer.kt
@@ -132,7 +132,7 @@ internal class ReportUndocumentedTransformer : DocumentableTransformer {
         if (documentable is WithSources) {
             return documentable.sources[sourceSet]
                 .safeAs<DescriptorDocumentableSource>()?.descriptor
-                .safeAs()
+                .safeAs<CallableMemberDescriptor>()
         }
 
         return null