[Bug 294679] devel/valgrind: bump version to 3.27.0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294679

            Bug ID: 294679
           Summary: devel/valgrind: bump version to 3.27.0
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: pjfloyd@wanadoo.fr

3.27 was released yesterday. I'll add a patch shortly.

Here is the NEWS with illumos, macOS and Linux bits removed.

The main things for FreeBSD are updated support for 16,0-CURRENT, improved x86
support better /proc virtualisation and general bugfixes.

* ==================== CORE CHANGES ===================

* There are two new client requests

  - VALGRIND_REPLACES_MALLOC Returns 1 if the tool replaces malloc
    (e.g., memcheck).  Returns 0 if the tool does not replace malloc
    (e.g., cachegrind and callgrind) or if the executable is not
    running under VALGRIND.

  - VALGRIND_GET_TOOLNAME Get the running tool name as a string. Takes
    two arguments, an input buffer pointer and the length of that
    buffer. Returns the required length (including terminating nul)
    for the tool name. Returns 0 and the contents supplied buffer are
    not modified if not running under Valgrind.

  See also the full description in the valgrind.h header file or the
  in The Client Request mechanism section of the Valgrind User Manual.

* --num-callers now has a minimum value of 2.

  This is a breaking change. See
  https://bugs.kde.org/show_bug.cgi?id=515183#c13
  for full details.

* ================== PLATFORM CHANGES =================

* x86: Support for SSE4.1 instructions has been ported from AMD64 to
  (32bit) x86. This is ongoing work. Currently the following SSE4.1
  instructions are supported BLENDPD BLENDPS BLENDVPD BLENDVPS
  MOVNTDQA MPSADBW PBLENDVB PBLENDW PCMPEQQ PINSRD PMAXSB PMAXSD
  PMAXUD PMAXUW PMINSB PMINSD PMINUD PMINUW PMULLD PTEST.
  Bug #518222 tracks further progress.

* ==================== TOOL CHANGES ===================

* Helgrind:

  - New debug option --show-events=0|1|2. Controls tracing of internal
    Helgrind synchronization, threading and memory events. At level 1,
    Helgrind prints a trace of its synchronization, threading and memory
    events. At level 2, additional memory events are also traced. The
    default value of 0 disables tracing.

  - New option --track-destroy=no|yes|all. Checks for missing
    pthread_mutex_destroy and pthread_rwlock_destroy calls. With yes,
    Helgrind warns when pthread_mutex_init or pthread_rwlock_init is called
    on the address of a live (undestroyed) lock. With all, Helgrind also
    reports undestroyed locks at process exit. --track-destroy does not track
    locks that use static initializers.

* ==================== FIXED BUGS ====================

The following bugs have been fixed or resolved.  Note that "n-i-bz"
stands for "not in bugzilla" -- that is, a bug that was reported to us
but never got a bugzilla entry.  We encourage you to file bugs in
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather
than mailing the developers (or mailing lists) directly -- bugs that
are not entered into bugzilla tend to get forgotten about or ignored.

126256  (fnop) vex x86->IR: unhandled instruction bytes: 0xD9 0xD0 0x31 0xC0
233298  MEMPOOL_FREE not reflected in heap summary
253436  vex amd64->IR: unhandled instruction bytes: 0xF2 0xA6 (repne cmps)
406674  False positive when reading bitfield value on code compiled with
        clang 7.0
510864  Add SSE4.1 PMAXSD and PMINSD instructions support for 32-bit x86
511329  Darwin and FreeBSD: Move setting of carry flag out of
        ML_(do_syscall_for_client_WRK)
511713  Refactor syscall argument handling
511717  gdbserver (valgrind_read_memory) the 'impossible' happened:
        Killed by fatal signal (SIGSEGV)
511972  valgrind-3.26.0 tests fail to build on upcomig gcc-16:
        unrecognized command-line option
        '-Wno-alloc-size-larger-than=18446744073709551615'
512037  malloc trace does not print free size or alignment
512873  Add SSE4.1 min/max instructions for x86 32 bit
513522  m_libcassert.c: 'ordered comparison of pointer with integer zero'
        compiler warning
513475  Add SSE4.1 PMULLD instruction for x86 32 bit
513598  Helgrind should detect locks without pthread_{rwlock,mutex}_destroy
        being called - Assertion 'lk->kind == LK_rdwr' failed.
514206  Assertion '!sr_isError(sr)' failed - mmap fd points to an open
        descriptor to a PCI device
514343  Add a valgrind.h macro VALGRIND_REPLACES_MALLOC
514596  Add SSE4.1 BLENDPD instruction for x86 32 bit
514613  Unclosed leak_summary/still_reachable tag in xml output
514659  ltp 20250930 vs linux 6.18.3 doesn't build
514762  Many "Bad file descriptor" messages when using --track-fds=yes and
        -d on systems without /proc
515183  Error occurred while executing the command
        `valgrind --num-callers=1 ./hello_world`
515265  Add SSE4.1 BLENDPS and PBLENDW instructions for x86 32 bit
516223  Add SSE4.1 PBLENDVB, BLENDVPS and BLENDVPD
        instructions for x86 32 bit
515612  Sanity check VG_(realpath) and VG_(readlink) return values
515731  Distinguish between realloc functions in realloc size 0 error messages
515810  Update the LTP version in valgrind testsuite to 20260130
515992  Add FreeBSD /proc virtualisation for cmdline and file
516090  Regression : Linux FreeBSD and Darwin: refactor *at syscall dirfd
checks
516225  Add MOVNTDQA SSE4.1 support for x86
516748  Incorrect use of SET_STATUS_Failure for syscall wrappers that return
        error codes rather than -1 on error
517455  Add PCMPEQQ SSE4.1 support for x86
517748  Add ability to redirect global functions to Darwin
517840  Add PTEST SSE4.1 support for x86
518216  Add SSE4.1 MPSADBW instruction support for x86 32 bit
518076  FreeBSD: add syscall wrapper for renameat2
518078  Configure should accept names for GDB other than "gdb"
518482  FreeBSD: assert in parse_procselfmaps when built with GNU binutils
518609  Setting double verbose interferes with symbol loading (FreeBSD 16)

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