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Rollup merge of #95710 - fee1-dead-contrib:stabilize_arbitrary_enum_discriminant, r=joshtriplett

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Stabilize arbitrary_enum_discriminant, take 2

Documentation has been updated in https://github.com/rust-lang/reference/pull/1055. cc #86860 for previous stabilization report.

Not yet marks https://github.com/rust-lang/rust/issues/60553 as done: need documentation in the rust reference.
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Dylan DPC 2022-10-26 17:32:53 +05:30 • committed by GitHub
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4
compiler/rustc_error_codes/src/error_codes/E0732.md
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@ -3,8 +3,6 @@ An `enum` with a discriminant must specify a `#[repr(inttype)]`.
Erroneous code example:
```compile_fail,E0732
#![feature(arbitrary_enum_discriminant)]
enum Enum { // error!
Unit = 1,
Tuple() = 2,
@ -20,8 +18,6 @@ is a well-defined way to extract a variant's discriminant from a value;
for instance:
```
#![feature(arbitrary_enum_discriminant)]
#[repr(u8)]
enum Enum {
Unit = 3,