Fix compiler warnings in compiler code

compiler/container/src/org/jetbrains/kotlin/container/Registry.kt

@@ -79,6 +79,7 @@ internal class ComponentRegistry {
         By mimicking the usual descriptors we get lazy evaluation and consistency checks for free.
          */
         for (resolver in clashResolvers) {
+            @Suppress("UNCHECKED_CAST")
             val clashedComponents = registrationMap[resolver.applicableTo] as? Collection<ComponentDescriptor> ?: continue
             if (clashedComponents.size <= 1) continue
 
@@ -86,4 +87,4 @@ internal class ComponentRegistry {
             registrationMap[resolver.applicableTo] = substituteDescriptor
         }
     }
-}
+}

compiler/container/src/org/jetbrains/kotlin/container/Singletons.kt

@@ -153,6 +153,7 @@ internal class ClashResolutionDescriptor<E : PlatformSpecificExtension<E>>(
 
     override fun createInstance(context: ValueResolveContext): Any {
         state = ComponentState.Initializing
+        @Suppress("UNCHECKED_CAST")
         val extensions = computeArguments(clashedComponents) as List<E>
         val resolution = resolver.resolveExtensionsClash(extensions)
         state = ComponentState.Initialized