Update triage/2025-05-04.md

Author: Mark-Simulacrum

triage/2025-05-04.md

@@ -2,7 +2,7 @@
 
 A relatively noisy week due to addition of new benchmarks as part of our [2025
 benchmark update], and a number of large regressions in a rollup landing late
-in the week (and so not yet investigated).
+in the week, with investigation [here](https://github.com/rust-lang/rust/pull/140652).
 
 [2025 benchmark update]: https://github.com/rust-lang/rustc-perf/issues/2024