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Rollup merge of #138682 - Alexendoo:extra-symbols, r=fee1-dead

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Allow drivers to supply a list of extra symbols to intern

Allows adding new symbols as `const`s in external drivers, desirable in Clippy so we can use them in patterns to replace code like 75530e9f72/src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs (L66)

The Clippy change adds a couple symbols as a demo, the exact `clippy_utils` API and replacing other usages can be done on the Clippy side to minimise sync conflicts

---

try-job: aarch64-gnu
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Stuart Cook 2025-04-11 13:31:44 +10:00 • committed by GitHub
commit 0abc6c6e98
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23 changed files with 115 additions and 58 deletions
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2
compiler/rustc_hir/src/tests.rs
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@ -17,7 +17,7 @@ fn def_path_hash_depends_on_crate_id() {
// the crate by changing the crate disambiguator (e.g. via bumping the
// crate's version number).
create_session_globals_then(Edition::Edition2024, None, || {
create_session_globals_then(Edition::Edition2024, &[], None, || {
let id0 = StableCrateId::new(Symbol::intern("foo"), false, vec!["1".to_string()], "");
let id1 = StableCrateId::new(Symbol::intern("foo"), false, vec!["2".to_string()], "");