temporary value dropped while borrowed

[Mark-Simulacrum]

• root: gb2260-0.1.1: start v. end

root: imperative - 3 (1 gh, 2 crates.io) detected crates which regressed due to this

• committed-0.1.11: start v. end
• imperative-1.0.1: start v. end
• epage/committed: start v. end

cc @matthewjasper (likely MIR borrowck related, though not the transition itself as that happened last cycle)

[Centril]

Probably a result of the soundness fixes in #66650?

[matthewjasper]

This is a change in promotion. cc @ecstatic-morse

[matthewjasper]

Minimized:

static DIVISIONS_200312: Option<String> = None;

pub static DIVISIONS: &&Option<String> = {
    let x = &&DIVISIONS_200312;
    x
};

[matthewjasper]

Maybe #66587?

[matthewjasper]

or #66642.
edit: Bisection suggests that its this.
No, it's neither of these.

[matthewjasper]

It's #66950, likely #66654.