diff --git a/rust-version b/rust-version
index e00bba686766..13526a3fac9b 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-b5c9e2448c9ace53ad5c11585803894651b18b0a
+043eca7f0b34d12e61c44206beca740628647080
diff --git a/tests/run-pass/float.rs b/tests/run-pass/float.rs
index 62d9c6076608..d0df13490f0c 100644
--- a/tests/run-pass/float.rs
+++ b/tests/run-pass/float.rs
@@ -1,5 +1,3 @@
-// compile-flags: -Zmir-opt-level=0
-// FIXME: Using opt-level 2 here makes the test take forever (https://github.com/rust-lang/rust/issues/73717).
 #![feature(stmt_expr_attributes, test)]
 use std::fmt::Debug;
 use std::hint::black_box;