From 59b7cc3fa5153254eb815c07d2b3e0f513ec4d5d Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Wed, 4 Feb 2026 18:24:21 -0800
Subject: [PATCH] Revert 62163

---
 src/compiler/checker.ts | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 35a3c7bb7e6..b497de13028 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -8983,17 +8983,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         function getPropertyNameNodeForSymbol(symbol: Symbol, context: NodeBuilderContext) {
             const hashPrivateName = getClonedHashPrivateName(symbol);
             if (hashPrivateName) {
-                const shouldEmitErroneousFieldName = !!context.tracker.reportPrivateInBaseOfClassExpression &&
-                    context.flags & NodeBuilderFlags.WriteClassExpressionAsTypeLiteral;
-                if (!shouldEmitErroneousFieldName) {
-                    return hashPrivateName;
-                }
-                else {
-                    let rawName = unescapeLeadingUnderscores(symbol.escapedName);
-                    // symbol IDs are unstable - replace #nnn# with #private#
-                    rawName = rawName.replace(/__#\d+@#/g, "__#private@#");
-                    return createPropertyNameNodeForIdentifierOrLiteral(rawName, getEmitScriptTarget(compilerOptions), /*singleQuote*/ false, /*stringNamed*/ true, !!(symbol.flags & SymbolFlags.Method));
-                }
+                return hashPrivateName;
             }
             const stringNamed = !!length(symbol.declarations) && every(symbol.declarations, isStringNamed);
             const singleQuote = !!length(symbol.declarations) && every(symbol.declarations, isSingleQuotedStringNamed);