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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):


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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

Pull in r371557 from upstream clang trunk (by Richard Smith):

  When evaluating a __builtin_constant_p conditional, always enter
  constant-folding mode regardless of the original evaluation mode.

  In order for this to be correct, we need to track whether we're
  checking for a potential constant expression or checking for
  undefined behavior separately from the evaluation mode enum, since we
  don't want to clobber those states when entering constant-folding
  mode.

This should fix "ld: error: undefined symbol: ix86_isa_flags" (and many
other symbol names) during the initial stages of the lang/gcc* ports.

The issue was that without optimization, the __builtin_constant_p()
expressions generated in gencondmd.c would emit references to global
variables that were undefined, such as ix86_isa_flags.

PR:             240629

Pull in r371557 from upstream clang trunk (by Richard Smith):

  When evaluating a __builtin_constant_p conditional, always enter
  constant-folding mode regardless of the original evaluation mode.

  In order for this to be correct, we need to track whether we're
  checking for a potential constant expression or checking for
  undefined behavior separately from the evaluation mode enum, since we
  don't want to clobber those states when entering constant-folding
  mode.

This should fix "ld: error: undefined symbol: ix86_isa_flags" (and many
other symbol names) during the initial stages of the lang/gcc* ports.

The issue was that without optimization, the __builtin_constant_p()
expressions generated in gencondmd.c would emit references to global
variables that were undefined, such as ix86_isa_flags.

PR:             240629

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

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

Merge remote-tracking branch 'upstream.playground.github/hardened/current/master' into hardened/current/cross-dso-cfi

Conflicts:
        share/mk/src.opts.mk (unresolved)

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

* origin/hardened/11-stable/master:
  MFC r345192-r345194: if_bridge(4): Drop pointless rtflush
  MFC r346132: stand: refactor overlay loading a little bit
  MFC r345180, r345187: if_bridge(4): Fix module teardown
  Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 8.0.0 final release r356365.
  MFC r345805: Unify SCSI_STATUS_BUSY retry handling with other cases.
  MFC r346064: Fix dirty buf exhaustion easily triggered with msdosfs.
  MFC r345425, r345514, r345799, r345800, r345803, r346157: Enable tmpfs rw->ro remounts.
  Release notes documentation: - r336449, setproctitle_fast(3) addition. - r337418, kqueue(2) allow EVFILT_TIMER updates. - r338405, pthread_get_name_np(3) addition. - r339857, ddb(4) option to print process arguments added. - r340182, ichwd(4) support for Lewisburg PCH TCO watchdog timer. - r341828, ZFS vnode reclaimation deadlock fixed. - r342206, lagg(4) allow changing MTU without destroying interface. - r342656, x86 MSI IRQs are now tunable. - r343084, jail(8) IDs printed when logging a process exit. - r344399, zfsloader functionality now part of loader(8). - r344399, loader(8) GELI support extended to all architectures. - r344403, efi guess console device/type if not defined. - r345040, ccr(4) driver addition. - r345981, random(4) reseeding performance improvements.

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

* freebsd/11-stable/master:
  MFC r345192-r345194: if_bridge(4): Drop pointless rtflush
  MFC r346132: stand: refactor overlay loading a little bit
  MFC r345180, r345187: if_bridge(4): Fix module teardown
  Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 8.0.0 final release r356365.
  MFC r345805: Unify SCSI_STATUS_BUSY retry handling with other cases.
  MFC r346064: Fix dirty buf exhaustion easily triggered with msdosfs.
  MFC r345425, r345514, r345799, r345800, r345803, r346157: Enable tmpfs rw->ro remounts.
  Release notes documentation: - r336449, setproctitle_fast(3) addition. - r337418, kqueue(2) allow EVFILT_TIMER updates. - r338405, pthread_get_name_np(3) addition. - r339857, ddb(4) option to print process arguments added. - r340182, ichwd(4) support for Lewisburg PCH TCO watchdog timer. - r341828, ZFS vnode reclaimation deadlock fixed. - r342206, lagg(4) allow changing MTU without destroying interface. - r342656, x86 MSI IRQs are now tunable. - r343084, jail(8) IDs printed when logging a process exit. - r344399, zfsloader functionality now part of loader(8). - r344399, loader(8) GELI support extended to all architectures. - r344403, efi guess console device/type if not defined. - r345040, ccr(4) driver addition. - r345981, random(4) reseeding performance improvements.

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
8.0.0 final release r356365.

MFC r306265 (by emaste):

Force LLVM_LIBUNWIND off if we don't have a C++11 compiler

Tested by:      bde
Differential Revision:  https://reviews.freebsd.org/D7746

MFC r308100 (by emaste):

compile libunwind c source with -fexceptions

When an exception is thrown the unwinder must unwind its own C source
(starting with _Unwind_RaiseException in UnwindLevel1.c), so it needs to
be built with unwinding data.

MFC r324998 (by bdrewery):

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

Conflicts:
        ObsoleteFiles.inc (unresolved)
        contrib/compiler-rt/lib/cfi/cfi.cc (unresolved)
        sys/vm/vm_map.c (unresolved)

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
8.0.0 final release r356365.

MFC r340287 (by emaste):

Consolidate gcov entries in OptionalObsoleteFiles

Sponsored by:   The FreeBSD Foundation

MFC r340289 (by emaste):

llvm-cov: also install as gcov (if GNU gcov is disabled)

llvm-cov provides a gcov-compatible interface when invoked as gcov.

Reviewed by:    dim, markj
Sponsored by:   The FreeBSD Foundation
Differential Revision:  https://reviews.freebsd.org/D17923


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Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
8.0.0 final release r356365.

MFC r340287 (by emaste):

Consolidate gcov entries in OptionalObsoleteFiles

Sponsored by:   The FreeBSD Foundation

MFC r340289 (by emaste):

llvm-cov: also install as gcov (if GNU gcov is disabled)

llvm-cov provides a gcov-compatible interface when invoked as gcov.

Reviewed by:    dim, markj
Sponsored by:   The FreeBSD Foundation
Differential Revision:  https://reviews.freebsd.org/D17923


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MFHead at r345275

MFHead at r345275

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

* origin/hardened/current/master:
  Add myself to committers-doc.dot.
  PFIL_MEMPTR for ipfw link level hook
  Remove 'dir' argument from dummynet_io(). This makes it possible to make dn_dir flags private to dummynet. There is still some room for improvement.
  Reduce argument list to ipfw_divert(), as args holds the rule ref and the direction. While here make 'tee' a bool.
  Remove 'dir' argument in ng_ipfw_input, since ip_fw_args now has this info. While here make 'tee' boolean.
  - Add more flags to ip_fw_args. At this changeset only IPFW_ARGS_IN and   IPFW_ARGS_OUT are utilized. They are intented to substitute the "dir"   parameter that is often passes together with args. - Rename ip_fw_args.oif to ifp and now it is set to either input or   output interface, depending on IPFW_ARGS_IN/OUT bit set.
  Make second argument of ip_divert(), that specifies packet direction a bool. This allows pf(4) to avoid including ipfw(4) private files.
  Simplify ipfw_bpf_mtap2(). No functional change.
  pkgbase: Use uname as ABI_FILE
  bhyve(8): Fix uart emulation bug
  Merge llvm, clang, compiler-rt, libc++, libunwind, lld, and lldb release_80 branch r356034 (effectively, 8.0.0 rc5), resolve conflicts, and bump version numbers.
  ether_fakeaddr: Use 'b' 's' 'd' for the prefix
  mips: remove dead comment and definitions.

Merge branch 'freebsd/current/master' into hardened/current/master

* freebsd/current/master:
  Add myself to committers-doc.dot.
  PFIL_MEMPTR for ipfw link level hook
  Remove 'dir' argument from dummynet_io(). This makes it possible to make dn_dir flags private to dummynet. There is still some room for improvement.
  Reduce argument list to ipfw_divert(), as args holds the rule ref and the direction. While here make 'tee' a bool.
  Remove 'dir' argument in ng_ipfw_input, since ip_fw_args now has this info. While here make 'tee' boolean.
  - Add more flags to ip_fw_args. At this changeset only IPFW_ARGS_IN and   IPFW_ARGS_OUT are utilized. They are intented to substitute the "dir"   parameter that is often passes together with args. - Rename ip_fw_args.oif to ifp and now it is set to either input or   output interface, depending on IPFW_ARGS_IN/OUT bit set.
  Make second argument of ip_divert(), that specifies packet direction a bool. This allows pf(4) to avoid including ipfw(4) private files.
  Simplify ipfw_bpf_mtap2(). No functional change.
  pkgbase: Use uname as ABI_FILE
  bhyve(8): Fix uart emulation bug
  Merge llvm, clang, compiler-rt, libc++, libunwind, lld, and lldb release_80 branch r356034 (effectively, 8.0.0 rc5), resolve conflicts, and bump version numbers.
  ether_fakeaddr: Use 'b' 's' 'd' for the prefix
  mips: remove dead comment and definitions.