Type alias: resolve type alias RHS during force-resolve.

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/KotlinResolveCache.kt

@@ -121,7 +121,8 @@ private object KotlinResolveDataProvider {
             KtTypeConstraint::class.java,
             KtSuperTypeList::class.java,
             KtTypeParameter::class.java,
-            KtParameter::class.java
+            KtParameter::class.java,
+            KtTypeAlias::class.java
     )
 
     fun findAnalyzableParent(element: KtElement): KtElement {

idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt

@@ -217,7 +217,8 @@ class ResolveElementCache(
                 KtTypeParameter::class.java,
                 KtTypeConstraint::class.java,
                 KtPackageDirective::class.java,
-                KtCodeFragment::class.java) as KtElement?
+                KtCodeFragment::class.java,
+                KtTypeAlias::class.java) as KtElement?
 
         when (elementOfAdditionalResolve) {
             null -> {
@@ -306,6 +307,8 @@ class ResolveElementCache(
 
             is KtClass -> constructorAdditionalResolve(resolveSession, resolveElement, file)
 
+            is KtTypeAlias -> typealiasAdditionalResolve(resolveSession, resolveElement)
+
             is KtTypeParameter -> typeParameterAdditionalResolve(resolveSession, resolveElement)
 
             is KtTypeConstraint -> typeConstraintAdditionalResolve(resolveSession, resolveElement)
@@ -503,6 +506,14 @@ class ResolveElementCache(
         return trace
     }
 
+    private fun typealiasAdditionalResolve(resolveSession: ResolveSession, typeAlias: KtTypeAlias): BindingTrace {
+        val trace = createDelegatingTrace(typeAlias)
+        val typeAliasDescriptor = resolveSession.resolveToDescriptor(typeAlias)
+        ForceResolveUtil.forceResolveAllContents(typeAliasDescriptor)
+        forceResolveAnnotationsInside(typeAlias)
+        return trace
+    }
+
     private fun initializerAdditionalResolve(resolveSession: ResolveSession, anonymousInitializer: KtAnonymousInitializer, file: KtFile, statementFilter: StatementFilter): BindingTrace {
         val trace = createDelegatingTrace(anonymousInitializer)