Rollup of 10 pull requests #79345
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Rollup of 10 pull requests #79345
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Also stabilize constctlz for const ctlz_nonzero.
The public methods stabilized const by this commit are:
* `{i*,u*}::checked_pow`
* `{i*,u*}::saturating_pow`
* `{i*,u*}::wrapping_pow`
* `{i*,u*}::overflowing_pow`
* `{i*,u*}::pow`
* `u*::next_power_of_two`
* `u*::checked_next_power_of_two`
* `u*::wrapping_next_power_of_two` (the method itself is still unstable)
Same for constctlz.
stabilize const_int_pow This also requires stabilizing constctlz for const ctlz_nonzero.
…-schievink MIR visitor: Don't treat debuginfo field access as a use of the struct Fixes #77454. r? `@jonas-schievink`
const_generics: assert resolve hack causes an error prevent the min_const_generics `HACK`s in resolve from triggering a fallback path which successfully compiles so that we don't have to worry about future compat issues when removing it r? `@eddyb` cc `@varkor`
Allow using generic trait methods in `const fn` Next step for #67792, this now also allows code like the following: ```rust struct S; impl const PartialEq for S { fn eq(&self, _: &S) -> bool { true } } const fn equals_self<T: PartialEq>(t: &T) -> bool { *t == *t } pub const EQ: bool = equals_self(&S); ``` This works by threading const-ness of trait predicates through trait selection, in particular through `ParamCandidate`, and exposing it in the resulting `ImplSource`. Since this change makes two bounds `T: Trait` and `T: ?const Trait` that only differ in their const-ness be treated like different bounds, candidate winnowing has been changed to drop the `?const` candidate in favor of the const candidate, to avoid ambiguities when both a const and a non-const bound is present.
Use Option::and_then instead of open-coding it `@rustbot` modify labels to +C-cleanup.
Reduce boilerplate with the `?` operator `@rustbot` modify labels to +C-cleanup.
Fix typo in comment This is trivial enough I'm just going to merge without review. r? `@ghost`
doc typo plus a small edit for clarity
Use Option::map instead of open coding it r? `@jonas-schievink` since you're frequently sniping these minor cleanups anyway. `@rustbot` modify labels +C-cleanup +T-compiler
Add my (@flip1995) work mail to the mailmap
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Successful merges:
const fn#79287 (Allow using generic trait methods inconst fn)?operator #79325 (Reduce boilerplate with the?operator)Failed merges:
r? @ghost
@rustbot modify labels: rollup
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