[Bug sanitizer/101103] New: -fsanitise=undef gives better help than -fsanitize=undef

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101103

            Bug ID: 101103
           Summary: -fsanitise=undef gives better help than
                    -fsanitize=undef
           Product: gcc
           Version: 9.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: segher at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at 
gcc dot gnu.org
  Target Milestone: ---

-fsanitise=undef gives
  gcc: error: unrecognized command line option '-fsanitise=undef'; did you mean
'-
fsanitize=undefined'?

while -fsanitize=undef gives just
  gcc: error: unrecognized argument to '-fsanitize=' option: 'undef'