boinc package uses avx instructions unconditionally

[Jan Vesely]

$ gdb boinc
GNU gdb (Ubuntu 12.0.90-0ubuntu1) 12.0.90
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Reading symbols from boinc...
(No debugging symbols found in boinc)
(gdb) r
Starting program: /usr/bin/boinc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0x00005555555676a8 in ?? ()
(gdb) x/i 0x00005555555676a8
=> 0x5555555676a8: vmovq 0xdbb38(%rip),%xmm4 # 0x5555556431e8

lscpu:
Vendor ID: GenuineIntel
  Model name: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Pseudonym (404emailnotfound)]

Also broken here

$ gdb boinccmd
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from boinccmd...
(No debugging symbols found in boinccmd)
(gdb) run
Starting program: /usr/bin/boinccmd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0x00007ffff7f41b0a in RPC_CLIENT::RPC_CLIENT() () from /lib/x86_64-linux-gnu/libboinc.so.7
(gdb) bt
#0 0x00007ffff7f41b0a in RPC_CLIENT::RPC_CLIENT() ()
   from /lib/x86_64-linux-gnu/libboinc.so.7
#1 0x0000555555557e1e in ?? ()
#2 0x00007ffff7aa5d90 in __libc_start_call_main (
    main=main@entry=0x555555557db0, argc=argc@entry=1,
    argv=argv@entry=0x7fffffffe598)
    at ../sysdeps/nptl/libc_start_call_main.h:58
#3 0x00007ffff7aa5e40 in __libc_start_main_impl (main=0x555555557db0, argc=1,
    argv=0x7fffffffe598, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fffffffe588)
    at ../csu/libc-start.c:392
#4 0x000055555555a415 in ?? ()
(gdb) x/i 0x00007ffff7f41b0a
=> 0x7ffff7f41b0a <_ZN10RPC_CLIENTC2Ev+30>: vxorpd %xmm0,%xmm0,%xmm0

Vendor ID: GenuineIntel
  Model name: Intel(R) Pentium(R) Gold G6400 CPU @ 4.00GHz