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Rollup merge of #134043 - ehuss:unicode-version, r=jieyouxu

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Add test to check unicode identifier version

This adds a test to verify which version of Unicode is used for identifiers. This is part of the language, documented at https://doc.rust-lang.org/nightly/reference/identifiers.html#r-ident.unicode. The version here often changes implicitly due to dependency updates pulling in new versions, and thus we often don't notice it has changed leaving the documentation out of date. The intent here is to have a canary to give us a notification when it changes so that we can update the documentation.
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León Orell Valerian Liehr 2024-12-09 23:39:05 +01:00 • committed by GitHub
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compiler/rustc_parse/src/lib.rs
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@ -24,6 +24,7 @@ use rustc_data_structures::sync::Lrc;
use rustc_errors::{Diag, FatalError, PResult};
use rustc_session::parse::ParseSess;
use rustc_span::{FileName, SourceFile, Span};
pub use unicode_normalization::UNICODE_VERSION as UNICODE_NORMALIZATION_VERSION;
pub const MACRO_ARGUMENTS: Option<&str> = Some("macro arguments");