Use a closure instead of three chained iterators

2025-04-29 14:23:23 +00:00
parent 820fce61e7
commit 9193dfe435
6 changed files with 58 additions and 72 deletions
--- a/compiler/rustc_mir_transform/src/jump_threading.rs
+++ b/compiler/rustc_mir_transform/src/jump_threading.rs
@@ -765,12 +765,12 @@ impl OpportunitySet {

            // Replace `succ` by `new_succ` where it appears.
            let mut num_edges = 0;
-            for s in basic_blocks[current].terminator_mut().successors_mut() {
+            basic_blocks[current].terminator_mut().successors_mut(|s| {
                if *s == succ {
                    *s = new_succ;
                    num_edges += 1;
                }
-            }
+            });

            // Update predecessors with the new block.
            let _new_succ = self.predecessors.push(num_edges);