Auto merge of rust-lang#9266 - alex-semenyuk:cast_abs_to_unsigned_paren_fix, r=Jarcho

Fix cast_abs_to_unsigned with code in parens

Close rust-lang#9185
changelog: none

Author: bors

clippy_lints/src/casts/cast_abs_to_unsigned.rs

@@ -37,7 +37,7 @@ pub(super) fn check(
             span,
             &format!("casting the result of `{cast_from}::abs()` to {cast_to}"),
             "replace with",
-            format!("{}.unsigned_abs()", Sugg::hir(cx, &args[0], "..")),
+            format!("{}.unsigned_abs()", Sugg::hir(cx, &args[0], "..").maybe_par()),
             Applicability::MachineApplicable,
         );
     }

tests/ui/cast_abs_to_unsigned.fixed

@@ -26,4 +26,6 @@ fn main() {
     let _ = a.unsigned_abs() as u32;
     let _ = a.unsigned_abs() as u64;
     let _ = a.unsigned_abs() as u128;
+
+    let _ = (x as i64 - y as i64).unsigned_abs() as u32;
 }

tests/ui/cast_abs_to_unsigned.rs

@@ -26,4 +26,6 @@ fn main() {
     let _ = a.abs() as u32;
     let _ = a.abs() as u64;
     let _ = a.abs() as u128;
+
+    let _ = (x as i64 - y as i64).abs() as u32;
 }

tests/ui/cast_abs_to_unsigned.stderr

@@ -96,5 +96,11 @@ error: casting the result of `isize::abs()` to u128
 LL |     let _ = a.abs() as u128;
    |             ^^^^^^^ help: replace with: `a.unsigned_abs()`
 
-error: aborting due to 16 previous errors
+error: casting the result of `i64::abs()` to u32
+  --> $DIR/cast_abs_to_unsigned.rs:30:13
+   |
+LL |     let _ = (x as i64 - y as i64).abs() as u32;
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(x as i64 - y as i64).unsigned_abs()`
+
+error: aborting due to 17 previous errors