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rustc_index: Add a ZERO constant to index types

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It is commonly used.
This commit is contained in:
Vadim Petrochenkov 2024-04-03 17:49:59 +03:00
parent ceab6128fa
commit b40ea03f8a
42 changed files with 80 additions and 90 deletions
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2
compiler/rustc_mir_transform/src/simplify.rs
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@ -415,7 +415,7 @@ fn make_local_map<V>(
used_locals: &UsedLocals,
) -> IndexVec<Local, Option<Local>> {
let mut map: IndexVec<Local, Option<Local>> = IndexVec::from_elem(None, local_decls);
let mut used = Local::new(0);
let mut used = Local::ZERO;
for alive_index in local_decls.indices() {
// `is_used` treats the `RETURN_PLACE` and arguments as used.