K2: discriminate synthetic 'Enum.entries' during resolve

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/ResolutionStages.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.fir.resolve.calls
 
+import org.jetbrains.kotlin.KtFakeSourceElementKind
 import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.fir.declarations.*
@@ -510,6 +511,9 @@ internal object DiscriminateSynthetics : CheckerStage() {
         if (candidate.symbol is SyntheticSymbol) {
             sink.reportDiagnostic(ResolvedWithSynthetic)
         }
+        if (candidate.symbol is FirPropertySymbol && candidate.symbol.source?.kind is KtFakeSourceElementKind.EnumGeneratedDeclaration) {
+            sink.reportDiagnostic(ResolvedWithSynthetic)
+        }
     }
 }