[FIR] Copy java enum entry during enhancement instead of mutating it

#KT-57949 Fixed
2023-11-15 17:20:23 +01:00
parent f5168527ae
commit 49e786f088
3 changed files with 38 additions and 4 deletions
@@ -109,10 +109,14 @@ class FirSignatureEnhancement(
                    )

                val newReturnTypeRef = enhanceReturnType(firElement, emptyList(), firElement.computeDefaultQualifiers(), predefinedInfo)
-                return firElement.symbol.apply {
-                    this.fir.replaceReturnTypeRef(newReturnTypeRef)
-                    session.lookupTracker?.recordTypeResolveAsLookup(newReturnTypeRef, this.fir.source, null)
-                }
+
+                return buildEnumEntryCopy(firElement) {
+                    symbol = FirEnumEntrySymbol(firElement.symbol.callableId)
+                    returnTypeRef = newReturnTypeRef
+                    origin = FirDeclarationOrigin.Enhancement
+                }.apply {
+                    session.lookupTracker?.recordTypeResolveAsLookup(newReturnTypeRef, this.source, null)
+                }.symbol
            }
            is FirField -> {
                if (firElement.returnTypeRef !is FirJavaTypeRef) return original