message: add new bug found in LLVM by Zhengyang
diff: @@ -74,6 +74,9 @@ Please contact us or submit a PR if something is missing or inaccurate.
  23. Incorrect transformation> mul foo, undef -> shl foo, undef
  (https://bugs.llvm.org/show_bug.cgi?id=47133)
  +24. Incorrect transformation: (llvm.maximum undef, %x) -> undef
  +(https://bugs.llvm.org/show_bug.cgi?id=47567)
  +
  ### Memory Operations (Load/Store/GEP/...)
  