🤖 Pick PR #57746 (Revert "Defer processing of nested ...) into release-5.4

src/compiler/checker.ts

@@ -35133,7 +35133,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         // use the resolvingSignature singleton to indicate that we deferred processing. This result will be
         // propagated out and eventually turned into silentNeverType (a type that is assignable to anything and
         // from which we never make inferences).
-        if (checkMode & CheckMode.SkipGenericFunctions && !node.typeArguments && callSignatures.some(isGenericFunctionReturningFunctionOrConstructor)) {
+        if (checkMode & CheckMode.SkipGenericFunctions && !node.typeArguments && callSignatures.some(isGenericFunctionReturningFunction)) {
             skippedGenericFunction(node, checkMode);
             return resolvingSignature;
         }
@@ -35146,12 +35146,8 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
         return resolveCall(node, callSignatures, candidatesOutArray, checkMode, callChainFlags);
     }
 
-    function isGenericFunctionReturningFunctionOrConstructor(signature: Signature) {
-        if (!signature.typeParameters) {
-            return false;
-        }
-        const returnType = getReturnTypeOfSignature(signature);
-        return isFunctionType(returnType) || isConstructorType(returnType);
+    function isGenericFunctionReturningFunction(signature: Signature) {
+        return !!(signature.typeParameters && isFunctionType(getReturnTypeOfSignature(signature)));
     }
 
     /**