Pull in r371066 from upstream clang trunk (by Justin Hibbits):

Partially undo r351659, which unconditionally removed gets(3) from libc++.

Merge ^/head r352436 through r352536.

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb, and openmp

Also add /usr/lib32/libc++fs.a to ObsoleteFiles.

Tag llvm 9.0.0 release r372316.

Tag lldb 9.0.0 release r372316.

Tag clang 9.0.0 release r372316.

Tag compiler-rt 9.0.0 release r372316.

Tag lld 9.0.0 release r372316.

Tag LLVM openmp 9.0.0 release r372316.

Tag libc++ 9.0.0 release r372316.

Vendor import of lldb 9.0.0 release r372316:

Tag LLVM libunwind 9.0.0 release r372316.

Vendor import of clang 9.0.0 release r372316:

Vendor import of llvm 9.0.0 release r372316:

Merge ^/head r352319 through r352435.

Another round of attempting to squelch -Wdeprecated-declarations, which

MFC r352306:

Fix arm and aarch64 builds of libedit after r352275

Work around gcc's inability to compile an incomplete type in googletest,

Instead of disabling gcc's deprecated declaration warnings about e.g.

Merge ^/head r352308 through r352318.

Revert commit from upstream llvm trunk (by Hans Wennborg):

Apparently DebugInfo/DWARF/DWARFExpression.cpp is always needed, at

Apply tentative fix for libedit build error on arm.

Merge ^/head r352105 through r352307.

Rearrange libclang_rt Makefile again, and attempt to simplify it.

Include <stdint.h> in unwind-arm.h, since it uses uint32_t and uint64_t

Merge ^/head r351732 through r352104.

Silence gcc warnings in libdevdctl about deprecated std::auto_ptr, and

Use -znorelro for kernel modules, when they are linked as shared

MFC r351938:

Target i586 by default on the i386 architecture, since after upstream's

When building libomp for i386, clang 9.0.0 produces a new warning about

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb, and openmp

Pull in r370426 from upstream llvm trunk (by Fāng-ruì Sòng):

Tag llvm release_90 branch r371301.

Tag lldb release_90 branch r371301.

Tag clang release_90 branch r371301.

Tag compiler-rt release_90 branch r371301.

Tag lld release_90 branch r371301.

Tag LLVM openmp release_90 branch r371301.

Tag libc++ release_90 branch r371301.

Tag LLVM libunwind release_90 branch r371301.

Vendor import of lld release_90 branch r371301:

Vendor import of clang release_90 branch r371301:

Vendor import of llvm release_90 branch r371301:

Add a VCSVersion.inc header with revision and repository defines,

Update ObsoleteFiles.inc (with exact dates to be filled in later).

Pull in r371111 from upstream llvm trunk (by Eli Friedman):

Add some missed continuation backslashes.

Catch up our non-upstreamed riscv parts in libunwind:

Pull in r369828 from upstream lld trunk (by Fāng-ruì Sòng):

MFC r351253:

Merge ^/head r351317 through r351731.

Add workarounds for obsolete std::auto_ptr usage in atf.

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb, and openmp

Tag llvm release_90 branch r370514.

Tag lldb release_90 branch r370514.

Tag clang release_90 branch r370514.

Tag compiler-rt release_90 branch r370514.

Tag lld release_90 branch r370514.

Tag LLVM openmp release_90 branch r370514.

Tag libc++ release_90 branch r370514.

Vendor import of lld release_90 branch r370514:

Tag LLVM libunwind release_90 branch r370514.

Vendor import of libc++ release_90 branch r370514:

Vendor import of compiler-rt release_90 branch r370514:

Vendor import of llvm release_90 branch r370514:

Vendor import of clang release_90 branch r370514:

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb, and openmp

Always build lldb-tblgen, for now, and add a note.

Fix mtree syntax.

Update build glue for building libomp.

Update libclang_rt:

Update Makefile and mtree for clang internal headers, and update

Update build glue for building compiler-rt.

Update libunwind custom frame register and deregister functions for

Update build glue for building libc++.

Update build glue for a build of clang plus lldb (enabled via MK_LLDB).

Add lldb-tblgen tool.

Disable UniversalMachO support in lldb's SystemInitializerFull.cpp,

Update FREEBSD-Xlist for lldb.

Merge missed sources for lldb-specific TableGen tool.

Re-tag stripped llvm trunk r366426 (just before the release_90 branch

Remove tag for lldb trunk r366426, for re-tagging.

Import missed sources for lldb-specific TableGen tool.

Update build glue for a build of clang plus lld (enabled via MK_LLD).

Update build glue for a build of clang including the static analyzer

Update build glue for a build of clang plus the extra tools (enabled via

Update build glue for a build of clang plus default base tools (llvm-ar,

Update build glue for a minimal build of the clang executable.

Regenerate config and version headers.

Change clang lib dir to 9.0.0.

Merge openmp trunk r366426, resolve conflicts, and add FREEBSD-Xlist.