LKG

Author: jakebailey

lib/_tsc.js

@@ -66934,9 +66934,12 @@ function createTypeChecker(host) {
       if (relation === identityRelation) {
         return signaturesIdenticalTo(source2, target2, kind);
       }
-      if (target2 === anyFunctionType || source2 === anyFunctionType) {
+      if (source2 === anyFunctionType) {
         return -1 /* True */;
       }
+      if (target2 === anyFunctionType) {
+        return 0 /* False */;
+      }
       const sourceIsJSConstructor = source2.symbol && isJSConstructor(source2.symbol.valueDeclaration);
       const targetIsJSConstructor = target2.symbol && isJSConstructor(target2.symbol.valueDeclaration);
       const sourceSignatures = getSignaturesOfType(
@@ -74465,7 +74468,7 @@ function createTypeChecker(host) {
           spread,
           createAnonymousType(attributesSymbol, childPropMap, emptyArray, emptyArray, emptyArray),
           attributesSymbol,
-          objectFlags,
+          objectFlags | getPropagatingFlagsOfTypes(childrenTypes),
           /*readonly*/
           false
         );

lib/typescript.js

@@ -71569,9 +71569,12 @@ function createTypeChecker(host) {
       if (relation === identityRelation) {
         return signaturesIdenticalTo(source2, target2, kind);
       }
-      if (target2 === anyFunctionType || source2 === anyFunctionType) {
+      if (source2 === anyFunctionType) {
         return -1 /* True */;
       }
+      if (target2 === anyFunctionType) {
+        return 0 /* False */;
+      }
       const sourceIsJSConstructor = source2.symbol && isJSConstructor(source2.symbol.valueDeclaration);
       const targetIsJSConstructor = target2.symbol && isJSConstructor(target2.symbol.valueDeclaration);
       const sourceSignatures = getSignaturesOfType(
@@ -79100,7 +79103,7 @@ function createTypeChecker(host) {
           spread,
           createAnonymousType(attributesSymbol, childPropMap, emptyArray, emptyArray, emptyArray),
           attributesSymbol,
-          objectFlags,
+          objectFlags | getPropagatingFlagsOfTypes(childrenTypes),
           /*readonly*/
           false
         );