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Remove a useless ref/id/ref round-trip from `pattern_from_hir` 

This re-lookup of `&hir::Pat` by its ID appears to be an artifact of earlier
complexity that has since been removed from the compiler.
This commit is contained in:
Zalathar 2024-08-17 22:18:37 +10:00
parent 54a50bd86f
commit 194ade1267
1 changed files with 2 additions and 6 deletions
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8
compiler/rustc_mir_build/src/thir/cx/mod.rs
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@ -8,7 +8,7 @@ use rustc_hir as hir;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::{DefId, LocalDefId};
use rustc_hir::lang_items::LangItem;
use rustc_hir::{HirId, Node};
use rustc_hir::HirId;
use rustc_middle::bug;
use rustc_middle::middle::region;
use rustc_middle::thir::*;
@ -110,11 +110,7 @@ impl<'tcx> Cx<'tcx> {
}
#[instrument(level = "debug", skip(self))]
fn pattern_from_hir(&mut self, p: &hir::Pat<'_>) -> Box<Pat<'tcx>> {
let p = match self.tcx.hir_node(p.hir_id) {
Node::Pat(p) => p,
node => bug!("pattern became {:?}", node),
};
fn pattern_from_hir(&mut self, p: &'tcx hir::Pat<'tcx>) -> Box<Pat<'tcx>> {
pat_from_hir(self.tcx, self.param_env, self.typeck_results(), p)
}