rustup; the bad compile times for the float test are fixed

rust-version

@@ -1 +1 @@
-b5c9e2448c9ace53ad5c11585803894651b18b0a
+043eca7f0b34d12e61c44206beca740628647080

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;