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Merge branch 'hardened/current/master' into hardened/current/uninit-autoinit

MFC r355940:

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

(NOTE: This does not yet consolidate all the llvm project sources under
contrib/llvm-project (e.g., MFC r355940), due to Subversion limitations.
It will be done in a follow-up MFC.)

MFC r348610 (by emaste):

build llvm-ar and llvm-nm with Clang (promote out of CLANG_EXTRAS)

To facilitate experimentation with LTO we require an ar that supports
LLVM IR, and to a lesser degree also an nm.  As a first step always
install llvm-ar and llvm-nm.

Sponsored by:   The FreeBSD Foundation

MFC r350453 (by asomers):


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Merge remote-tracking branch 'origin/hardened/current/master' into hardened/current/cross-dso-cfi

Conflicts:
        gnu/lib/libgcc/Makefile (deleted)
        share/man/man5/src.conf.5 (unresolved)
        usr.bin/clang/lld/Makefile (unresolved)
        usr.sbin/rpc.statd/Makefile (unresolved)

Merge remote-tracking branch 'origin/freebsd/12-stable/master' into hardened/12-stable/master

Conflicts:
        contrib/compiler-rt/lib/cfi/cfi.cc (deleted)
        contrib/llvm/tools/clang/lib/Driver/SanitizerArgs.cpp (deleted)
        lib/libclang_rt/Makefile (unresolved)
        lib/libclang_rt/cfi/Makefile (unresolved)
        share/man/man5/src.conf.5 (unresolved)
        tools/build/mk/OptionalObsoleteFiles.inc (unresolved)
        usr.bin/clang/lld/Makefile (unresolved)

MFC r355940:

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

MFC r355940:

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

(NOTE: This does not yet consolidate all the llvm project sources under
contrib/llvm-project (e.g., MFC r355940), due to Subversion limitations.
It will be done in a follow-up MFC.)

MFC r348610 (by emaste):

build llvm-ar and llvm-nm with Clang (promote out of CLANG_EXTRAS)

To facilitate experimentation with LTO we require an ar that supports
LLVM IR, and to a lesser degree also an nm.  As a first step always
install llvm-ar and llvm-nm.

Sponsored by:   The FreeBSD Foundation

MFC r350467 (by luporl):


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Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

(NOTE: This does not yet consolidate all the llvm project sources under
contrib/llvm-project (e.g., MFC r355940), due to Subversion limitations.
It will be done in a follow-up MFC.)

MFC r348610 (by emaste):

build llvm-ar and llvm-nm with Clang (promote out of CLANG_EXTRAS)

To facilitate experimentation with LTO we require an ar that supports
LLVM IR, and to a lesser degree also an nm.  As a first step always
install llvm-ar and llvm-nm.

Sponsored by:   The FreeBSD Foundation

MFC r350467 (by luporl):


    [679 lines not shown]

Merge remote-tracking branch 'origin/freebsd/current/master' into hardened/current/master

Conflicts:
        usr.bin/clang/lld/Makefile (unresolved)

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo".  That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

Merge remote-tracking branch 'origin/freebsd/current/master' into hardened/current/master

Conflicts:
        contrib/llvm/tools/clang/lib/Driver/SanitizerArgs.cpp (unresolved)
        lib/libclang_rt/Makefile (unresolved)
        lib/libclang_rt/cfi/Makefile (unresolved)
        share/man/man5/src.conf.5 (unresolved)
        sys/conf/files.sparc64 (unresolved)
        tools/build/mk/OptionalObsoleteFiles.inc (unresolved)

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

Release notes for llvm, clang, lld and libc++ 9.0.0 are available here:

https://releases.llvm.org/9.0.0/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/clang/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/lld/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/projects/libcxx/docs/ReleaseNotes.html

PR:             240629
MFC after:      1 month

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

Release notes for llvm, clang, lld and libc++ 9.0.0 are available here:

https://releases.llvm.org/9.0.0/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/clang/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/lld/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/projects/libcxx/docs/ReleaseNotes.html

PR:             240629
MFC after:      1 month

Merge clang trunk r366426, resolve conflicts, and update FREEBSD-Xlist.

Merge clang trunk r366426, resolve conflicts, and update FREEBSD-Xlist.

Merge remote-tracking branch 'origin/freebsd/12-stable/master' into hardened/12-stable/master

Conflicts:
        contrib/compiler-rt/lib/cfi/cfi.cc (unresolved)
        libexec/rc/rc.d/Makefile (unresolved)

Merge remote-tracking branch 'origin/hardened/11-stable/master' into hardened/11-stable/unstable

* origin/hardened/11-stable/master:
  MFC r344112:
  Merge clang 7.0.1 and several follow-up changes

Merge branch 'freebsd/11-stable/master' into hardened/11-stable/master

* freebsd/11-stable/master:
  MFC r344112:
  Merge clang 7.0.1 and several follow-up changes

Merge clang 7.0.1 and several follow-up changes

MFC r318594:

Add libc++experimental.a for std::experimental support

This adds a separate library for supporting std::experimental features.
It is purposefully static, and must be explicitly linked into programs
using -lc++experimental.

PLEASE NOTE: there is NO WARRANTY as to any stability or continuing
existence of the features in the std::experimental parts of the C++
library!

Reviewed by:    ed
Differential Revision: https://reviews.freebsd.org/D10840

MFC r318598:


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Merge clang 7.0.1 and several follow-up changes

MFC r341825:

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3).  The
release will follow very soon, but no more functional changes are
expected.

Release notes for llvm, clang and lld 7.0.0 are available here:
<http://releases.llvm.org/7.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/lld/docs/ReleaseNotes.html>

PR:             230240, 230355
Relnotes:       yes

MFC r342123:


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Merge clang 7.0.1 and several follow-up changes

MFC r341825:

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3).  The
release will follow very soon, but no more functional changes are
expected.

Release notes for llvm, clang and lld 7.0.0 are available here:
<http://releases.llvm.org/7.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/lld/docs/ReleaseNotes.html>

PR:             230240, 230355
Relnotes:       yes

MFC r342123:


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Merge branch 'hbsd/hardened/current/master' into hbsd/hardened/current/master-libressl28

Merge remote-tracking branch 'upstream/hardened/current/master' into hardened/current/safestack-arm64

Conflicts:
        contrib/llvm/tools/clang/lib/Driver/ToolChains/FreeBSD.cpp (unresolved)
        lib/libclang_rt/Makefile (unresolved)

Merge remote-tracking branch 'origin/hardened/current/master' into hardened/current/unstable

* origin/hardened/current/master: (98 commits)
  HBSD: clang/llvm 7.0.1 fixups
  Continuing efforts to provide hardening of FFS. This change adds a check hash to the filesystem inodes. Access attempts to files associated with an inode with an invalid check hash will fail with EINVAL (Invalid argument). Access is reestablished after an fsck is run to find and validate the inodes with invalid check-hashes. This check avoids a class of filesystem panics related to corrupted inodes. The hash is done using crc32c.
  pf tests: Use the ATF cleanup infrastructure in the ioctl tests
  pf tests: ioctl tests require root rights
  pf: Prevent integer overflow in PF when calculating the adaptive timeout.
  Remove a dead file.  CVS was removed in r251794.
  Allow CTL device specification in bhyve virtio-scsi.
  HBSD: Resolve merge conflict
  Remove unused argument to priv_check_cred.
  Fix !tx_abdicate error from r336560
  Set tentative merge date, and add UPDATING note.
  audi: replace open-coded TDP_AUDITREC checks with the macro
  Fix the PAE kernel gcc build.
  asmc: Add Support for MacBookAir 7,1 and 7,2
  For arm and armv6, only enable LLVM target support for arm by default, to shrink libllvm.a.
  Merge llvm, clang, lld, lldb, compiler-rt and libc++ release_70 branch r348686 (effectively 7.0.1 rc3), resolve conflicts, and bump version numbers.

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Merge remote-tracking branch 'origin/freebsd/current/master' into hardened/current/master

Conflicts:
        contrib/compiler-rt/lib/cfi/cfi.cc (unresolved)

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3).  The
release will follow very soon, but no more functional changes are
expected.

Release notes for llvm, clang and lld 7.0.0 are available here:
<http://releases.llvm.org/7.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/lld/docs/ReleaseNotes.html>

PR:             230240, 230355
Relnotes:       yes
MFC after:      2 months

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3).  The
release will follow very soon, but no more functional changes are
expected.

Release notes for llvm, clang and lld 7.0.0 are available here:
<http://releases.llvm.org/7.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/lld/docs/ReleaseNotes.html>

PR:             230240, 230355
Relnotes:       yes
MFC after:      2 months

Merge remote-tracking branch 'origin/hardened/current/clang700-import' into hardened/current/cross-dso-cfi