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Dimitry Andric fc7efa1b6a Merge commit f75939599 from llvm git (by Erich Keane): 
Reland r374450 with Richard Smith's comments and test fixed.

  The behavior from the original patch has changed, since we're no
  longer allowing LLVM to just ignore the alignment.  Instead, we're
  just assuming the maximum possible alignment.

  Differential Revision: https://reviews.llvm.org/D68824

  llvm-svn: 374562

This fixes 'Assertion failed: (Alignment != 0 && "Invalid Alignment"),
function CreateAlignmentAssumption', when building recent versions of
v8, which invoke __builtin_assume_aligned() with its alignment argument
set to 4GiB or more.

Clang will now report a warning, and show the maximum possible alignment
instead, e.g.:

huge-align.cpp:1:27: warning: requested alignment must be 536870912 bytes or smaller; maximum alignment assumed [-Wbuiltin-assume-aligned-alignment]
void *f(void *g) { return __builtin_assume_aligned(g, 4294967296); }
                          ^                           ~~~~~~~~~~

Upstream PR:	https://bugs.llvm.org/show_bug.cgi?id=43839
Reported by:	cem
MFC after:	3 days
2020-03-06 17:02:14 +00:00
..
amd amd: add deprecation warning on program startup 2019-11-22 15:06:07 +00:00
apr contrib/apr: Rip out bogus [CS]PRNG implementation 2020-01-30 18:12:41 +00:00
apr-util
atf
bearssl
binutils Fix the following -Werror warning from clang 10.0.0 in binutils: 2020-01-28 20:09:23 +00:00
blacklist blacklistd.conf.5: pluralization correction 2019-11-06 17:01:35 +00:00
bmake retire the LLVM_LIBUNWIND option 2020-02-29 12:43:43 +00:00
bsnmp bsnmpd(1): Replace dubious srandomdev+random(3) with arc4random(3) 2019-12-13 05:13:25 +00:00
byacc
bzip2 Upgrade to Bzip2 version 1.0.8. 2019-08-11 06:26:03 +00:00
capsicum-test Really skip the tests in capsicum tests 2020-02-17 20:25:33 +00:00
com_err
cortex-strings
dialog
diff
dma
ee
elftoolchain readelf: decode and print Xen ELF note strings 2020-03-06 15:58:52 +00:00
expat MFV r355071: libbsdxml (expat) 2.2.9. 2019-11-25 07:48:16 +00:00
file MFV r357712: file 5.38. 2020-02-11 07:02:48 +00:00
flex
gdb [PPC64] Fix GDB sigtramp detection 2019-11-01 11:28:43 +00:00
gdtoa
googletest googletest: pick from upstream: Don't allow signed/unsigned wchar_t in gcc 9 and later 2019-12-21 02:44:50 +00:00
hyperv/tools
ipfilter As with ipf(8), give ippool(8) the ability to load IP pools from multiple 2020-02-18 11:26:49 +00:00
jemalloc jemalloc: pick from upstream: Fix GCC-9.1 warning with macro GET_ARG_NUMERIC 2019-12-21 02:44:38 +00:00
ldns
ldns-host
less MFV r349535: less v551. 2019-06-29 18:41:40 +00:00
libarchive MFV r358511,r358532: 2020-03-02 08:44:58 +00:00
libbegemot
libc-pwcache
libc-vis
libcxxrt Include <stdint.h> in unwind-arm.h, since it uses uint32_t and uint64_t 2019-09-13 21:00:19 +00:00
libdivsufsort
libedit Fix arm and aarch64 builds of libedit after r352275 2019-09-14 21:49:42 +00:00
libevent
libexecinfo Sync up with NetBSD libexecinfo changes 2014-2019 2019-10-26 06:59:59 +00:00
libgnuregex
libpcap MFV r355890: 2019-12-21 21:05:53 +00:00
libucl
libxo Import libxo-1.4.0: 2020-01-25 21:16:45 +00:00
llvm-project Merge commit f75939599 from llvm git (by Erich Keane): 2020-03-06 17:02:14 +00:00
lua
mandoc Update mandoc to cvs snapshot 2019-07-23 2019-07-26 10:00:33 +00:00
mknod
mtree mtree -O: Fix not descending on hash collisions 2019-09-12 20:46:46 +00:00
ncurses Update to 6.2-20200215 2020-02-19 17:09:08 +00:00
netbsd-tests MFV r357687: Import NFS fix for O_SEARCH tests 2020-02-09 04:05:30 +00:00
netcat Add -M option to nc(1), which makes it print the TCP connection 2019-12-14 10:53:52 +00:00
ngatm
ntp MFV r358616: 2020-03-04 21:45:12 +00:00
nvi vi.1: Fix a typo 2019-12-09 17:58:22 +00:00
ofed Add ConnectX-6 DX HCA ID to libmlx5. 2019-05-08 11:04:09 +00:00
one-true-awk Another partial revert of r301289. 2019-06-03 05:25:22 +00:00
openbsm auditd(8): fix long-standing uninitialized memory use bug 2019-11-28 00:46:03 +00:00
opencsd/decoder Remove a stale file left after merging. 2019-10-10 13:44:12 +00:00
openpam
openresolv MFV 354917, 354918, 354919 2019-11-20 23:56:20 +00:00
opie
pam_modules/pam_passwdqc
pf
pjdfstest
pnpinfo
processor-trace Update Intel Processor Trace decoder library. 2019-10-10 12:46:34 +00:00
sendmail Plug possible memory leaks in the previous patch. 2020-02-27 23:06:12 +00:00
serf
smbfs mount_smbfs: Issue a warning when .nsmbrc section name contains lowercase characters. 2020-01-03 12:54:14 +00:00
sqlite3 Revert r357201: downgrade sqlite3 from sqlite3-3.31.0 (3310000) to 2020-02-04 19:45:51 +00:00
subversion
tcp_wrappers Remove a duplicate global (rfc931_timeout). 2019-07-17 23:43:14 +00:00
tcpdump MFV r353143 (phillip): 2019-12-21 21:02:50 +00:00
tcsh Update tcsh to git revision 83c5be0 bringing in a number of bug fixes. 2019-10-21 21:21:34 +00:00
telnet libtelnet: Replace bogus use of srandomdev + random to generate "public key pair" 2019-12-13 05:42:57 +00:00
tnftp Fix poor performance of ftp(1) due to small SO_SNDBUF and SO_RCVBUF. 2020-02-27 19:49:59 +00:00
traceroute The variable names in the description of the port number usage is 2019-06-20 12:38:41 +00:00
tzcode
tzdata Import tzdata 2019c 2019-09-12 00:19:16 +00:00
unbound Unbound's config.h is manually maintained, using a ./configure produced 2020-01-13 06:55:31 +00:00
unvis
vis
wpa MFV r346563: 2019-08-22 18:52:30 +00:00
xz MFV r357608: Limit memory usage in xz(1) instead of in tuklib. 2020-02-06 07:47:28 +00:00