new snapshot available: grep-3.3.49-3f11

[Jim Meyering]

Thanks to lots of quick testing, and speedy fixes by Paul Eggert and
Bruno Haible here and in gnulib, we've resolved most of the test
failures, so here's a new test release.

Happy holidays!

grep snapshot:
  https://meyering.net/grep/grep-ss.tar.xz      1.5 MB
  https://meyering.net/grep/grep-ss.tar.xz.sig
  https://meyering.net/grep/grep-3.3.49-3f11.tar.xz

Changes in grep since 3.3.42-088f:

Jim Meyering (5):
      tests: require timeout
      tests: ensure we use require_timeout_ when needed
      tests: fix typo in name of test file
      tests: avoid spurious failure due to 1-second timeout
      build: update gnulib to latest; and sync tests/init.sh

Paul Eggert (3):
      tests: work around AIX 7.2 sh printf bug
      maint: adjust surrogate-pair for 16-bit wchar_t
      build: update gnulib submodule to latest


Changes in gnulib since 3.3.42-088f:

* gnulib 3f7d8da2e...575b0ecba (45):
  > test-framework-sh: tighten an internal grep regexp
  > test-framework-sh: Avoid /bin/sh on AIX 7.2 due to its printf built-in.
  > mbrtowc: port better to narrow-wchar_t platforms
  > localcharset: Avoid referencing rpl_setlocale on native Windows.
  > lock tests: Fix link error on HP-UX/hppa (regression from 2019-12-21).
  > strptime: fix typo in previous patch
  > setlocale-null: Make it easy to rely on the lock in another library.
  > strptime: tweak division performance
  > nstrftime: tweak division performance
  > mktime: tweak division performance
  > gethrxtime: improve xtime_sec performance
  > setlocale-null: Export the lock function also on non-Windows platforms.
  > gethrxtime: fix rounding bug with negative args
  > gethrxtime: remove incorrect overflow detection
  > setlocale-null: Add standalone include file.
  > strfmon_l: Fix test failures on FreeBSD and Cygwin.
  > Prefer lib_SOURCES to unconditional AC_LIBOBJ.
  > longlong: Mark module obsolete.
  > stdint: Assume that the compiler supports 'long long'.
  > inttypes-incomplete: Assume that the compiler supports 'long long'.
  > malloca: Assume that the compiler supports 'long long'.
  > atoll: Assume that the compiler supports 'long long'.
  > strtoll: Assume that the compiler supports 'long long'.
  > strtoull: Assume that the compiler supports 'long long'.
  > strtoimax, strtoumax: Assume that the compiler supports 'long long'.
  > xstrtoll: Assume that the compiler supports 'long long'.
  > vasnprintf: Assume that the compiler supports 'long long'.
  > gethrxtime: Assume that the compiler supports 'long long'.
  > integer_length*: Assume that the compiler supports 'long long'.
  > count-one-bits: Assume that the compiler supports 'long long'.
  > count-trailing-zeros: Assume that the compiler supports 'long long'.
  > count-leading-zeros: Assume that the compiler supports 'long long'.
  > localcharset: Update support for OpenBSD.
  > pthread_sigmask: Avoid test failure on NetBSD 8.0.
  > threadlib: Improve code structure.
  > autoupdate
  > threadlib: Fix LIBMULTITHREAD on FreeBSD with --enable-threads=isoc.
  > sched_yield: Don't depend on threadlib and yield.
  > threads-h: Don't depend on threadlib.
  > nl_langinfo tests: Fix link error (regression from 2019-12-18).
  > threadlib: Remove unused dependency (left over from 2019-07-06).
  > New convention for multithread-safety tests.
  > quotearg tests: Fix conflict with hard-locale tests.
  > pthread-thread, lock: On z/OS, use PTHREAD_RWLOCK_INITIALIZER_NP.
  > memcmp tests: Work around the clang bug.