KT-14376 ClassCastException from object with vals

#KT-14376 Fixed

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

@@ -300,7 +300,7 @@ class ResolveElementCache(
 
             is KtAnonymousInitializer -> initializerAdditionalResolve(resolveSession, resolveElement, file, createStatementFilter(), bodyResolveMode.bindingTraceFilter)
 
-            is KtPrimaryConstructor -> constructorAdditionalResolve(resolveSession, resolveElement.parent as KtClass, file, bodyResolveMode.bindingTraceFilter)
+            is KtPrimaryConstructor -> constructorAdditionalResolve(resolveSession, resolveElement.parent as KtClassOrObject, file, bodyResolveMode.bindingTraceFilter)
 
             is KtSecondaryConstructor -> secondaryConstructorAdditionalResolve(resolveSession, resolveElement, file, createStatementFilter(), bodyResolveMode.bindingTraceFilter)
 
@@ -523,7 +523,7 @@ class ResolveElementCache(
         return trace
     }
 
-    private fun constructorAdditionalResolve(resolveSession: ResolveSession, klass: KtClass, file: KtFile, filter : BindingTraceFilter): BindingTrace {
+    private fun constructorAdditionalResolve(resolveSession: ResolveSession, klass: KtClassOrObject, file: KtFile, filter : BindingTraceFilter): BindingTrace {
         val trace = createDelegatingTrace(klass, filter)
         val scope = resolveSession.declarationScopeProvider.getResolutionScopeForDeclaration(klass)
 

idea/tests/org/jetbrains/kotlin/idea/ResolveElementCacheTest.kt

@@ -24,13 +24,16 @@ import org.jetbrains.kotlin.idea.caches.resolve.analyzeFullyAndGetResult
 import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
 import org.jetbrains.kotlin.idea.imports.importableFqName
+import org.jetbrains.kotlin.idea.search.usagesSearch.constructor
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
 import org.jetbrains.kotlin.idea.test.KotlinLightProjectDescriptor
 import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.findDescendantOfType
 import org.jetbrains.kotlin.psi.psiUtil.startOffset
 import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
 
 class ResolveElementCacheTest : KotlinLightCodeInsightFixtureTestCase() {
@@ -501,6 +504,13 @@ class C(param1: String = "", param2: Int = 0) {
         }
     }
 
+    fun testKT14376() {
+        val file = myFixture.configureByText("Test.kt", "object Obj(val x: Int)") as KtFile
+        val nameRef = file.findDescendantOfType<KtNameReferenceExpression>()!!
+        val bindingContext = nameRef.analyze(BodyResolveMode.PARTIAL)
+        assert(bindingContext[BindingContext.REFERENCE_TARGET, nameRef]?.fqNameSafe?.asString() == "kotlin.Int")
+    }
+
     private fun checkResolveMultiple(mode: BodyResolveMode, vararg expressions: KtExpression): BindingContext {
         val resolutionFacade = expressions.first().getResolutionFacade()
         val bindingContext = resolutionFacade.analyze(expressions.asList(), mode)