Check annotations on default property getter/setter

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/checkers/JvmSyntheticApplicabilityChecker.kt

@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.resolve.jvm.checkers
 
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.VariableDescriptor
 import org.jetbrains.kotlin.diagnostics.DiagnosticSink
 import org.jetbrains.kotlin.psi.KtDeclaration
 import org.jetbrains.kotlin.psi.KtProperty
@@ -28,11 +29,14 @@ import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm
 
 class JvmSyntheticApplicabilityChecker : DeclarationChecker {
 
-    override fun check(declaration: KtDeclaration, descriptor: DeclarationDescriptor,
-                       diagnosticHolder: DiagnosticSink, bindingContext: BindingContext
+    override fun check(
+            declaration: KtDeclaration,
+            descriptor: DeclarationDescriptor,
+            diagnosticHolder: DiagnosticSink,
+            bindingContext: BindingContext
     ) {
         val annotation = descriptor.findJvmSyntheticAnnotation() ?: return
-        if (declaration is KtProperty && declaration.hasDelegate()) {
+        if (declaration is KtProperty && descriptor is VariableDescriptor && declaration.hasDelegate()) {
             val annotationEntry = DescriptorToSourceUtils.getSourceFromAnnotation(annotation) ?: return
             diagnosticHolder.report(ErrorsJvm.JVM_SYNTHETIC_ON_DELEGATE.on(annotationEntry))
         }

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/checkers/declarationCheckers.kt

@@ -99,7 +99,12 @@ class PlatformStaticAnnotationChecker : DeclarationChecker {
 }
 
 class JvmNameAnnotationChecker : DeclarationChecker {
-    override fun check(declaration: KtDeclaration, descriptor: DeclarationDescriptor, diagnosticHolder: DiagnosticSink, bindingContext: BindingContext) {
+    override fun check(
+            declaration: KtDeclaration,
+            descriptor: DeclarationDescriptor,
+            diagnosticHolder: DiagnosticSink,
+            bindingContext: BindingContext
+    ) {
         val platformNameAnnotation = DescriptorUtils.getJvmNameAnnotation(descriptor)
         if (platformNameAnnotation != null) {
             checkDeclaration(descriptor, platformNameAnnotation, diagnosticHolder)