fixup! float: Use a shared assert_biteq! macro for tests

Author: tgross35

library/coretests/tests/floats/mod.rs

@@ -21,7 +21,13 @@ macro_rules! assert_biteq {
     ($left:expr, $right:expr, $($tt:tt)*) => {{
         let l = $left;
         let r = $right;
-        let bits = (l.to_bits() - l.to_bits()).leading_zeros(); // hack to get the width from a value
+
+        // Hack to coerce left and right to the same type
+        let mut _eq_ty = l;
+        _eq_ty = r;
+
+        // Hack to get the width from a value
+        let bits = (l.to_bits() - l.to_bits()).leading_zeros();
         assert!(
             l.to_bits() == r.to_bits(),
             "{}\nl: {l:?} ({lb:#0width$x})\nr: {r:?} ({rb:#0width$x})",