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)
+        }
     }
 }
 

compiler/testData/diagnostics/tests/enum/enumEntriesAmbiguity.fir.kt

@@ -1,8 +0,0 @@
-// !LANGUAGE: +EnumEntries
-// FIR_DUMP
-
-enum class Ambiguous {
-    first, entries;
-}
-
-val e = Ambiguous.<!OVERLOAD_RESOLUTION_AMBIGUITY!>entries<!>

compiler/testData/diagnostics/tests/enum/enumEntriesAmbiguity.fir.txt

@@ -1,4 +1,4 @@
-FILE: enumEntriesAmbiguity.fir.kt
+FILE: enumEntriesAmbiguity.kt
     public final enum class Ambiguous : R|kotlin/Enum<Ambiguous>| {
         private constructor(): R|Ambiguous| {
             super<R|kotlin/Enum<Ambiguous>|>()
@@ -16,5 +16,5 @@ FILE: enumEntriesAmbiguity.fir.kt
             public get(): R|kotlin/enums/EnumEntries<Ambiguous>|
 
     }
-    public final val e: <ERROR TYPE REF: Ambiguity: entries, [/Ambiguous.entries, /Ambiguous.entries]> = Q|Ambiguous|.<Ambiguity: entries, [/Ambiguous.entries, /Ambiguous.entries]>#
-        public get(): <ERROR TYPE REF: Ambiguity: entries, [/Ambiguous.entries, /Ambiguous.entries]>
+    public final val e: R|Ambiguous| = Q|Ambiguous|.R|/Ambiguous.entries|
+        public get(): R|Ambiguous|

compiler/testData/diagnostics/tests/enum/enumEntriesAmbiguity.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !LANGUAGE: +EnumEntries
 // FIR_DUMP