Rollup merge of rust-lang#76760 - matthiaskrgr:clippy_lazy_eval, r=varkor

don't lazily evaluate some trivial values for Option::None replacements (clippy::unnecessary_lazy_evaluations)

Author: tmandry

compiler/rustc_lint/src/builtin.rs

@@ -961,7 +961,7 @@ fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: &
             continue;
         }
 
-        let span = sugared_span.take().unwrap_or_else(|| attr.span);
+        let span = sugared_span.take().unwrap_or(attr.span);
 
         if attr.is_doc_comment() || cx.sess().check_name(attr, sym::doc) {
             cx.struct_span_lint(UNUSED_DOC_COMMENTS, span, |lint| {

compiler/rustc_metadata/src/native_libs.rs

@@ -170,7 +170,7 @@ impl Collector<'tcx> {
             feature_err(
                 &self.tcx.sess.parse_sess,
                 sym::static_nobundle,
-                span.unwrap_or_else(|| rustc_span::DUMMY_SP),
+                span.unwrap_or(rustc_span::DUMMY_SP),
                 "kind=\"static-nobundle\" is unstable",
             )
             .emit();
@@ -179,7 +179,7 @@ impl Collector<'tcx> {
             feature_err(
                 &self.tcx.sess.parse_sess,
                 sym::raw_dylib,
-                span.unwrap_or_else(|| rustc_span::DUMMY_SP),
+                span.unwrap_or(rustc_span::DUMMY_SP),
                 "kind=\"raw-dylib\" is unstable",
             )
             .emit();