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=== tests/cases/compiler/spreadOfObjectLiteralAssignableToIndexSignature.ts ===
const foo: Record<never, never> = {} // OK
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
interface RecordOfRecords extends Record<keyof any, RecordOfRecords> {}
>RecordOfRecords : Symbol(RecordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 36))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>RecordOfRecords : Symbol(RecordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 36))
const recordOfRecords: RecordOfRecords = {}
>recordOfRecords : Symbol(recordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 3, 5))
>RecordOfRecords : Symbol(RecordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 36))
recordOfRecords.propA = {...(foo !== undefined ? {foo} : {})} // OK
>recordOfRecords : Symbol(recordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 3, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>undefined : Symbol(undefined)
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 4, 50))
recordOfRecords.propB = {...(foo && {foo})} // OK
>recordOfRecords : Symbol(recordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 3, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 5, 37))
recordOfRecords.propC = {...(foo !== undefined && {foo})} // error'd in 3.7 beta, should be OK
>recordOfRecords : Symbol(recordOfRecords, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 3, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>undefined : Symbol(undefined)
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 6, 51))
interface RecordOfRecordsOrEmpty extends Record<keyof any, RecordOfRecordsOrEmpty | {}> {}
>RecordOfRecordsOrEmpty : Symbol(RecordOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 6, 57))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>RecordOfRecordsOrEmpty : Symbol(RecordOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 6, 57))
const recordsOfRecordsOrEmpty: RecordOfRecordsOrEmpty = {}
>recordsOfRecordsOrEmpty : Symbol(recordsOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 9, 5))
>RecordOfRecordsOrEmpty : Symbol(RecordOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 6, 57))
recordsOfRecordsOrEmpty.propA = {...(foo !== undefined ? {foo} : {})} // OK
>recordsOfRecordsOrEmpty : Symbol(recordsOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 9, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>undefined : Symbol(undefined)
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 10, 58))
recordsOfRecordsOrEmpty.propB = {...(foo && {foo})} // OK
>recordsOfRecordsOrEmpty : Symbol(recordsOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 9, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 11, 45))
recordsOfRecordsOrEmpty.propC = {...(foo !== undefined && {foo})} // OK
>recordsOfRecordsOrEmpty : Symbol(recordsOfRecordsOrEmpty, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 9, 5))
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 0, 5))
>undefined : Symbol(undefined)
>foo : Symbol(foo, Decl(spreadOfObjectLiteralAssignableToIndexSignature.ts, 12, 59))
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