we also do not check floats for being init'd

Author: RalfJung

README.md

@@ -29,8 +29,8 @@ program, and cannot run all programs:
   positives here, so if you program runs fine in Miri right now that is by no
   means a guarantee that it is UB-free when these questions get answered.
 
-    In particular, Miri does currently not check that integers are initialized
-  or that references point to valid data.
+    In particular, Miri does currently not check that integers/floats are
+  initialized or that references point to valid data.
 * If the program relies on unspecified details of how data is laid out, it will
   still run fine in Miri -- but might break (including causing UB) on different
   compiler versions or different platforms.