Tomasz Miąsko 915a581bcb Do not promote values with const drop that need to be dropped ... Changes from #88558 allowed using `~const Drop` in constants by introducing a new `NeedsNonConstDrop` qualif. The new qualif was also used for promotion purposes, and allowed promotion to happen for values that needs to be dropped but which do have a const drop impl. Since for promoted the drop implementation is never executed, this lead to observable change in behaviour. For example: ```rust struct Panic(); impl const Drop for Panic { fn drop(&mut self) { panic!(); } } fn main() { let _ = &Panic(); } ``` Restore the use of `NeedsDrop` qualif during promotion to avoid the issue.		2021-10-18 21:56:57 +02:00
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src	Do not promote values with const drop that need to be dropped	2021-10-18 21:56:57 +02:00
Cargo.toml	Remove unused dependencies from rustc_const_eval	2021-10-14 15:42:42 -05:00