@@ -13780,21 +13780,21 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
     }
 
     function getPropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType): Symbol[] {
-        for (const _ of iteratePropertiesOfUnionOrIntersectionType(type, /*doYield*/ false)) {
+        for (const _ of iteratePropertiesOfUnionOrIntersectionType(type, /*skipYield*/ true)) {
             Debug.fail("Iterator should have been empty.");
         }
         return type.resolvedProperties!;
     }
 
-    function* iteratePropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType, doYield = true) {
+    function* iteratePropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType, skipYield = false) {
         if (type.resolvedProperties) {
-            if (doYield) {
+            if (!skipYield) {
                 yield* type.resolvedProperties;
             }
             return;
         }
 
-        if (doYield && type.partiallyResolvedProperties) {
+        if (!skipYield && type.partiallyResolvedProperties) {
             yield* type.partiallyResolvedProperties;
         }
 
@@ -13808,7 +13808,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
             const generator = type.partiallyResolvedPropertiesGenerator ??= iteratePropertiesOfUnionOrIntersectionTypeWorker(type);
             for (const symbol of generator) {
                 type.partiallyResolvedProperties = append(type.partiallyResolvedProperties, symbol);
-                if (doYield) {
+                if (!skipYield) {
                     yield symbol;
                 }
             }
Original file line number	Diff line number	Diff line change
`@@ -13780,21 +13780,21 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {`
`13780`	`13780`	`}`
`13781`	`13781`
`13782`	`13782`	`function getPropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType): Symbol[] {`
`13783`		`- for (const _ of iteratePropertiesOfUnionOrIntersectionType(type, /doYield/ false)) {`
	`13783`	`+ for (const _ of iteratePropertiesOfUnionOrIntersectionType(type, /skipYield/ true)) {`
`13784`	`13784`	`Debug.fail("Iterator should have been empty.");`
`13785`	`13785`	`}`
`13786`	`13786`	`return type.resolvedProperties!;`
`13787`	`13787`	`}`
`13788`	`13788`
`13789`		`- function* iteratePropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType, doYield = true) {`
	`13789`	`+ function* iteratePropertiesOfUnionOrIntersectionType(type: UnionOrIntersectionType, skipYield = false) {`
`13790`	`13790`	`if (type.resolvedProperties) {`
`13791`		`- if (doYield) {`
	`13791`	`+ if (!skipYield) {`
`13792`	`13792`	`yield* type.resolvedProperties;`
`13793`	`13793`	`}`
`13794`	`13794`	`return;`
`13795`	`13795`	`}`
`13796`	`13796`
`13797`		`- if (doYield && type.partiallyResolvedProperties) {`
	`13797`	`+ if (!skipYield && type.partiallyResolvedProperties) {`
`13798`	`13798`	`yield* type.partiallyResolvedProperties;`
`13799`	`13799`	`}`
`13800`	`13800`
`@@ -13808,7 +13808,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {`
`13808`	`13808`	`const generator = type.partiallyResolvedPropertiesGenerator ??= iteratePropertiesOfUnionOrIntersectionTypeWorker(type);`
`13809`	`13809`	`for (const symbol of generator) {`
`13810`	`13810`	`type.partiallyResolvedProperties = append(type.partiallyResolvedProperties, symbol);`
`13811`		`- if (doYield) {`
	`13811`	`+ if (!skipYield) {`
`13812`	`13812`	`yield symbol;`
`13813`	`13813`	`}`
`13814`	`13814`	`}`