[PATCH v3 0/2] auto detect REG_ILLSEQ

["Carlo Marcelo Arenas Belón" <carenas@gmail.com>]

This is a reroll for cb/t4210-illseq-auto-detect that includes all
feedback and split on two steps for easy of reviewing.

While the refactoring in test-regex.c is a little more intrusive that
needed, makes the logic easier to follow and the different use cases
more straightforward.

Note that there is still a leak in the use of regex_t, and had kept
all original assumptions for simplicity (no explicit check on REG_ILLSEQ,
or unlikely differences between BASIC/EXTENDED).

Carlo Marcelo Arenas Belón (2):
  t/helper: teach test-regex to report pattern errors (like REG_ILLSEQ)
  t4210: detect REG_ILLSEQ dynamically and skip affected tests

 t/helper/test-regex.c | 94 ++++++++++++++++++++++++++++++-------------
 t/t4210-log-i18n.sh   | 77 ++++++++++++++++++++++++++---------
 t/test-lib.sh         |  6 ---
 3 files changed, 125 insertions(+), 52 deletions(-)

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2.27.0.rc0.183.gde8f92d652