From 8b664c34e974d8d31552d5e452489f1ace9a123e Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 1 May 2026 16:54:20 -0700
Subject: [PATCH] Fix timing information in cranelift

A typo in #12709 accidentally led to all passes clocking in at 0ns. Swap
the order of arguments to get true timing information.
---
 cranelift/codegen/src/timing.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cranelift/codegen/src/timing.rs b/cranelift/codegen/src/timing.rs
index 2d10e97a94d7..c4772c92b0e1 100644
--- a/cranelift/codegen/src/timing.rs
+++ b/cranelift/codegen/src/timing.rs
@@ -291,7 +291,7 @@ mod enabled {
     impl Drop for DefaultTimingToken {
         fn drop(&mut self) {
             let now = monotonic_instant();
-            let duration = self.start.duration_since(now);
+            let duration = now.duration_since(self.start);
             log::debug!("timing: Ending {}: {}ms", self.pass, duration.as_millis());
             let old_cur = CURRENT_PASS.with(|p| p.replace(self.prev));
             assert_eq!(self.pass, old_cur, "Timing tokens dropped out of order");