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-rw-r--r--compiler/rustc_mir_transform/src/simplify.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs
index 57d372fda..475e2ec9a 100644
--- a/compiler/rustc_mir_transform/src/simplify.rs
+++ b/compiler/rustc_mir_transform/src/simplify.rs
@@ -35,7 +35,6 @@ use rustc_middle::mir::visit::{MutVisitor, MutatingUseContext, PlaceContext, Vis
use rustc_middle::mir::*;
use rustc_middle::ty::TyCtxt;
use smallvec::SmallVec;
-use std::borrow::Cow;
use std::convert::TryInto;
pub struct SimplifyCfg {
@@ -57,8 +56,8 @@ pub fn simplify_cfg<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
}
impl<'tcx> MirPass<'tcx> for SimplifyCfg {
- fn name(&self) -> Cow<'_, str> {
- Cow::Borrowed(&self.label)
+ fn name(&self) -> &str {
+ &self.label
}
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {