Only check when apparent type of source is a structured type

Author: ahejlsberg

src/compiler/checker.ts

@@ -15628,7 +15628,7 @@ namespace ts {
                 //   }
                 if (result && (
                     target.flags & TypeFlags.Intersection && (isPerformingExcessPropertyChecks || isPerformingCommonPropertyChecks) ||
-                    isNonGenericObjectType(target) && source.flags & TypeFlags.Intersection && !some((<IntersectionType>source).types, t => !!(getObjectFlags(t) & ObjectFlags.NonInferrableType)) && !(getApparentType(source).flags & TypeFlags.Never))) {
+                    isNonGenericObjectType(target) && source.flags & TypeFlags.Intersection && getApparentType(source).flags & TypeFlags.StructuredType && !some((<IntersectionType>source).types, t => !!(getObjectFlags(t) & ObjectFlags.NonInferrableType)))) {
                     result &= recursiveTypeRelatedTo(source, target, reportErrors, IntersectionState.PropertyCheck);
                 }