Auto merge of #139037 - jhpratt:rollup-4c74y8a, r=jhpratt

Rollup of 6 pull requests

Successful merges:

 - #138720 (Specify a concrete stack size in channel tests)
 - #139010 (Improve `xcrun` error handling)
 - #139021 (std: get rid of pre-Vista fallback code)
 - #139025 (Do not trim paths in MIR validator)
 - #139026 (Use `abs_diff` where applicable)
 - #139030 (saethlin goes on vacation)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_span/src/edit_distance.rs b/compiler/rustc_span/src/edit_distance.rs
index 8a2baaa42e2..4f3202b694c 100644
--- a/compiler/rustc_span/src/edit_distance.rs
+++ b/compiler/rustc_span/src/edit_distance.rs
@@ -118,7 +118,7 @@ pub fn edit_distance_with_substrings(a: &str, b: &str, limit: usize) -> Option<u
     // Check one isn't less than half the length of the other. If this is true then there is a
     // big difference in length.
     let big_len_diff = (n * 2) < m || (m * 2) < n;
-    let len_diff = if n < m { m - n } else { n - m };
+    let len_diff = m.abs_diff(n);
     let distance = edit_distance(a, b, limit + len_diff)?;
 
     // This is the crux, subtracting length difference means exact substring matches will now be 0