Remove redundant [..]s

2 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs
index 2d6904af207..d6af6104155 100644
--- a/compiler/rustc_codegen_ssa/src/back/write.rs
+++ b/compiler/rustc_codegen_ssa/src/back/write.rs
@@ -677,11 +677,11 @@ impl<B: WriteBackendMethods> WorkItem<B> {
     fn start_profiling<'a>(&self, cgcx: &'a CodegenContext<B>) -> TimingGuard<'a> {
         match *self {
             WorkItem::Optimize(ref m) => {
-                cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &m.name[..])
+                cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &*m.name)
             }
             WorkItem::CopyPostLtoArtifacts(ref m) => cgcx
                 .prof
-                .generic_activity_with_arg("codegen_copy_artifacts_from_incr_cache", &m.name[..]),
+                .generic_activity_with_arg("codegen_copy_artifacts_from_incr_cache", &*m.name),
             WorkItem::LTO(ref m) => {
                 cgcx.prof.generic_activity_with_arg("codegen_module_perform_lto", m.name())
             }
diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs
index 1fa60612d26..2df58ecc9f6 100644
--- a/compiler/rustc_codegen_ssa/src/common.rs
+++ b/compiler/rustc_codegen_ssa/src/common.rs
@@ -122,8 +122,8 @@ pub fn langcall(tcx: TyCtxt<'_>, span: Option<Span>, msg: &str, li: LangItem) ->
     tcx.lang_items().require(li).unwrap_or_else(|s| {
         let msg = format!("{} {}", msg, s);
         match span {
-            Some(span) => tcx.sess.span_fatal(span, &msg[..]),
-            None => tcx.sess.fatal(&msg[..]),
+            Some(span) => tcx.sess.span_fatal(span, &msg),
+            None => tcx.sess.fatal(&msg),
         }
     })
 }