Simplify match based on the cast result of `IntToInt`.
diff --git a/Cargo.lock b/Cargo.lock
index 316926e..0b5aa7d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4346,6 +4346,7 @@
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",
+ "rustc_type_ir",
  "smallvec",
  "tracing",
 ]