Rollup merge of #131344 - nnethercote:ref-Lrc, r=compiler-errors

Avoid `&Lrc<T>` in various places

Seeing `&Lrc<T>` is a bit suspicious, and `&T` or `Lrc<T>` is often better.

r? `@oli-obk`

2 files changed, 5 insertions, 4 deletions

diff --git a/src/tools/clippy/clippy_utils/src/source.rs b/src/tools/clippy/clippy_utils/src/source.rs
index 4ad7575e720..eecbfb3936a 100644
--- a/src/tools/clippy/clippy_utils/src/source.rs
+++ b/src/tools/clippy/clippy_utils/src/source.rs
@@ -287,6 +287,7 @@ impl SourceFileRange {
         self.sf
             .src
             .as_ref()
+            .map(|src| src.as_str())
             .or_else(|| self.sf.external_src.get().and_then(|src| src.get_source()))
             .and_then(|x| x.get(self.range.clone()))
     }
diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs
index 9f27a05939e..54ad56ed3f3 100644
--- a/src/tools/rustfmt/src/parse/session.rs
+++ b/src/tools/rustfmt/src/parse/session.rs
@@ -46,7 +46,7 @@ impl SilentOnIgnoredFilesEmitter {
 }
 
 impl Translate for SilentOnIgnoredFilesEmitter {
-    fn fluent_bundle(&self) -> Option<&Lrc<rustc_errors::FluentBundle>> {
+    fn fluent_bundle(&self) -> Option<&rustc_errors::FluentBundle> {
         self.emitter.fluent_bundle()
     }
 
@@ -56,7 +56,7 @@ impl Translate for SilentOnIgnoredFilesEmitter {
 }
 
 impl Emitter for SilentOnIgnoredFilesEmitter {
-    fn source_map(&self) -> Option<&Lrc<SourceMap>> {
+    fn source_map(&self) -> Option<&SourceMap> {
         None
     }
 
@@ -344,7 +344,7 @@ mod tests {
         }
 
         impl Translate for TestEmitter {
-            fn fluent_bundle(&self) -> Option<&Lrc<rustc_errors::FluentBundle>> {
+            fn fluent_bundle(&self) -> Option<&rustc_errors::FluentBundle> {
                 None
             }
 
@@ -354,7 +354,7 @@ mod tests {
         }
 
         impl Emitter for TestEmitter {
-            fn source_map(&self) -> Option<&Lrc<SourceMap>> {
+            fn source_map(&self) -> Option<&SourceMap> {
                 None
             }