BUG, DIST: fix normalize IBMZ features flags

  The normal behavior is to erase any flag that starts with
  `-m[a-z0-9\-\.]` when flag `-march` or `-mcpu` specified. for example:

    cc_normalize_flags([
       '-msse', '-msse2', '-msse3', '-mssse3', '-march=core-avx2'
    ])

    should be normalized to: ['-march=core-avx2']

  but in the case of `s390x`, on GCC flag `-march=arch[0-9]` doesn't  implies flag
  `-mzvector` which is required to enable zvector api. for example:

    cc_normalize_flags([
       '-mzvector', '-march=arch11', '-march=arch12', '-march=arch13']
    )

  should be normalized to: ['-mzvector', '-march=arch13']

  instead of: ['-march=arch13']

0 files changed, 0 insertions, 0 deletions