=== tests/cases/compiler/spreadOfObjectLiteralAssignableToIndexSignature.ts ===
const foo: Record<never, never> = {} // OK
>foo : Record<never, never>
>{} : {}

interface RecordOfRecords extends Record<keyof any, RecordOfRecords> {}
const recordOfRecords: RecordOfRecords = {}
>recordOfRecords : RecordOfRecords
>{} : {}

recordOfRecords.propA = {...(foo !== undefined ? {foo} : {})} // OK
>recordOfRecords.propA = {...(foo !== undefined ? {foo} : {})} : { foo?: Record<never, never> | undefined; }
>recordOfRecords.propA : RecordOfRecords
>recordOfRecords : RecordOfRecords
>propA : RecordOfRecords
>{...(foo !== undefined ? {foo} : {})} : { foo?: Record<never, never> | undefined; }
>(foo !== undefined ? {foo} : {}) : { foo: Record<never, never>; } | {}
>foo !== undefined ? {foo} : {} : { foo: Record<never, never>; } | {}
>foo !== undefined : boolean
>foo : Record<never, never>
>undefined : undefined
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>
>{} : {}

recordOfRecords.propB = {...(foo && {foo})} // OK
>recordOfRecords.propB = {...(foo && {foo})} : { foo: Record<never, never>; }
>recordOfRecords.propB : RecordOfRecords
>recordOfRecords : RecordOfRecords
>propB : RecordOfRecords
>{...(foo && {foo})} : { foo: Record<never, never>; }
>(foo && {foo}) : { foo: Record<never, never>; }
>foo && {foo} : { foo: Record<never, never>; }
>foo : Record<never, never>
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>

recordOfRecords.propC = {...(foo !== undefined && {foo})} // error'd in 3.7 beta, should be OK
>recordOfRecords.propC = {...(foo !== undefined && {foo})} : { foo?: Record<never, never> | undefined; }
>recordOfRecords.propC : RecordOfRecords
>recordOfRecords : RecordOfRecords
>propC : RecordOfRecords
>{...(foo !== undefined && {foo})} : { foo?: Record<never, never> | undefined; }
>(foo !== undefined && {foo}) : false | { foo: Record<never, never>; }
>foo !== undefined && {foo} : false | { foo: Record<never, never>; }
>foo !== undefined : boolean
>foo : Record<never, never>
>undefined : undefined
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>

interface RecordOfRecordsOrEmpty extends Record<keyof any, RecordOfRecordsOrEmpty | {}> {}
const recordsOfRecordsOrEmpty: RecordOfRecordsOrEmpty = {}
>recordsOfRecordsOrEmpty : RecordOfRecordsOrEmpty
>{} : {}

recordsOfRecordsOrEmpty.propA = {...(foo !== undefined ? {foo} : {})} // OK
>recordsOfRecordsOrEmpty.propA = {...(foo !== undefined ? {foo} : {})} : { foo?: Record<never, never> | undefined; }
>recordsOfRecordsOrEmpty.propA : {} | RecordOfRecordsOrEmpty
>recordsOfRecordsOrEmpty : RecordOfRecordsOrEmpty
>propA : {} | RecordOfRecordsOrEmpty
>{...(foo !== undefined ? {foo} : {})} : { foo?: Record<never, never> | undefined; }
>(foo !== undefined ? {foo} : {}) : { foo: Record<never, never>; } | {}
>foo !== undefined ? {foo} : {} : { foo: Record<never, never>; } | {}
>foo !== undefined : boolean
>foo : Record<never, never>
>undefined : undefined
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>
>{} : {}

recordsOfRecordsOrEmpty.propB = {...(foo && {foo})} // OK
>recordsOfRecordsOrEmpty.propB = {...(foo && {foo})} : { foo: Record<never, never>; }
>recordsOfRecordsOrEmpty.propB : {} | RecordOfRecordsOrEmpty
>recordsOfRecordsOrEmpty : RecordOfRecordsOrEmpty
>propB : {} | RecordOfRecordsOrEmpty
>{...(foo && {foo})} : { foo: Record<never, never>; }
>(foo && {foo}) : { foo: Record<never, never>; }
>foo && {foo} : { foo: Record<never, never>; }
>foo : Record<never, never>
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>

recordsOfRecordsOrEmpty.propC = {...(foo !== undefined && {foo})} // OK
>recordsOfRecordsOrEmpty.propC = {...(foo !== undefined && {foo})} : { foo?: Record<never, never> | undefined; }
>recordsOfRecordsOrEmpty.propC : {} | RecordOfRecordsOrEmpty
>recordsOfRecordsOrEmpty : RecordOfRecordsOrEmpty
>propC : {} | RecordOfRecordsOrEmpty
>{...(foo !== undefined && {foo})} : { foo?: Record<never, never> | undefined; }
>(foo !== undefined && {foo}) : false | { foo: Record<never, never>; }
>foo !== undefined && {foo} : false | { foo: Record<never, never>; }
>foo !== undefined : boolean
>foo : Record<never, never>
>undefined : undefined
>{foo} : { foo: Record<never, never>; }
>foo : Record<never, never>