Merge from rustc

Author: RalfJung

clippy_lints/src/raw_strings.rs

@@ -50,7 +50,7 @@ declare_clippy_lint! {
     /// ```
     #[clippy::version = "1.72.0"]
     pub NEEDLESS_RAW_STRING_HASHES,
-    style,
+    pedantic,
     "suggests reducing the number of hashes around a raw string literal"
 }
 impl_lint_pass!(RawStrings => [NEEDLESS_RAW_STRINGS, NEEDLESS_RAW_STRING_HASHES]);

clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs

@@ -28,8 +28,8 @@ declare_clippy_lint! {
     /// know the name of the lint.
     ///
     /// ### Known problems
-    /// Only checks for lints associated using the
-    /// `declare_lint_pass!`, `impl_lint_pass!`, and `lint_array!` macros.
+    /// Only checks for lints associated using the `declare_lint_pass!` and
+    /// `impl_lint_pass!` macros.
     ///
     /// ### Example
     /// ```rust,ignore

clippy_utils/src/mir/mod.rs

@@ -30,20 +30,26 @@ pub fn visit_local_usage(locals: &[Local], mir: &Body<'_>, location: Location) -
         locals.len()
     ];
 
-    traversal::ReversePostorder::new(mir, location.block).try_fold(init, |usage, (tbb, tdata)| {
-        // Give up on loops
-        if tdata.terminator().successors().any(|s| s == location.block) {
-            return None;
-        }
+    traversal::Postorder::new(&mir.basic_blocks, location.block)
+        .collect::<Vec<_>>()
+        .into_iter()
+        .rev()
+        .try_fold(init, |usage, tbb| {
+            let tdata = &mir.basic_blocks[tbb];
+
+            // Give up on loops
+            if tdata.terminator().successors().any(|s| s == location.block) {
+                return None;
+            }
 
-        let mut v = V {
-            locals,
-            location,
-            results: usage,
-        };
-        v.visit_basic_block_data(tbb, tdata);
-        Some(v.results)
-    })
+            let mut v = V {
+                locals,
+                location,
+                results: usage,
+            };
+            v.visit_basic_block_data(tbb, tdata);
+            Some(v.results)
+        })
 }
 
 struct V<'a> {