Remove unnecessary sigils around `Ident::as_str()` calls.

3 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs
index 70e0ca0f5c8..babfa8015af 100644
--- a/compiler/rustc_resolve/src/diagnostics.rs
+++ b/compiler/rustc_resolve/src/diagnostics.rs
@@ -1185,7 +1185,7 @@ impl<'a> Resolver<'a> {
                 ("", " from prelude")
             } else if b.is_extern_crate()
                 && !b.is_import()
-                && self.session.opts.externs.get(&ident.as_str()).is_some()
+                && self.session.opts.externs.get(ident.as_str()).is_some()
             {
                 ("", " passed with `--extern`")
             } else if add_built_in {
diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs
index 4254f3239f8..f765e7bf1c0 100644
--- a/compiler/rustc_resolve/src/late/diagnostics.rs
+++ b/compiler/rustc_resolve/src/late/diagnostics.rs
@@ -231,7 +231,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
 
         let is_assoc_fn = self.self_type_is_available(span);
         // Emit help message for fake-self from other languages (e.g., `this` in Javascript).
-        if ["this", "my"].contains(&&*item_str.as_str()) && is_assoc_fn {
+        if ["this", "my"].contains(&item_str.as_str()) && is_assoc_fn {
             err.span_suggestion_short(
                 span,
                 "you might have meant to use `self` here instead",
@@ -1372,7 +1372,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
     fn likely_rust_type(path: &[Segment]) -> Option<Symbol> {
         let name = path[path.len() - 1].ident.as_str();
         // Common Java types
-        Some(match &*name {
+        Some(match name {
             "byte" => sym::u8, // In Java, bytes are signed, but in practice one almost always wants unsigned bytes.
             "short" => sym::i16,
             "boolean" => sym::bool,
diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs
index 28dbce0471e..52685ec697c 100644
--- a/compiler/rustc_resolve/src/macros.rs
+++ b/compiler/rustc_resolve/src/macros.rs
@@ -105,7 +105,7 @@ fn fast_print_path(path: &ast::Path) -> Symbol {
                 path_str.push_str("::");
             }
             if segment.ident.name != kw::PathRoot {
-                path_str.push_str(&segment.ident.as_str())
+                path_str.push_str(segment.ident.as_str())
             }
         }
         Symbol::intern(&path_str)