Error: Type T cannot be used to index intersection with Record<T, any>

[NaridaL]

TypeScript Version: 2.8.0-dev.20180302

Search Terms: Type cannot be used to index intersection Type cannot be used to index

Code

interface I {a: 1}
function foo<T extends string>(o: I & Record<T, number>, k: T) {
    o[k] // Type 'T' cannot be used to index type 'I & Record<T, number>'.
}
// the following work:
function foo2<T extends string>(o: Record<T, number>, k: T) {
    o[k]
}
// same result, but T different:
function bar<T extends Record<string, number>>(o: I & T, k: keyof T) {
    o[k]
}

Expected behavior:
No errors.
Actual behavior:
Error.

Playground Link: playground

Related Issues:
There's #18538, but that seems to be an issue with keyof, which isn't an used here.

[ahejlsberg]

Duplicate of #22286. Already fixed in currently nightly build.

[typescript-bot]

Automatically closing this issue for housekeeping purposes. The issue labels indicate that it is unactionable at the moment or has already been addressed.