https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120440
--- Comment #8 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> checking in gdb whether this is a misaligned vector access and/or whether we
> are in a early-break vectorized loop would be useful
(gdb) frame
#1 0x00005555555c03d9 in <__gnat_free> (ptr=<optimized out>) at
s-memory.adb:120
120 c_free (Ptr);
(gdb) disas
Dump of assembler code for function __gnat_free:
0x00005555555c03d0 <+0>: sub rsp,0x8
0x00005555555c03d4 <+4>: call 0x555555554740 <free@plt>
=> 0x00005555555c03d9 <+9>: add rsp,0x8
0x00005555555c03dd <+13>: ret
End of assembler dump.
(gdb) frame 2
#2 0x000055555558a820 in
ada.exceptions.exception_propagation.gnat_gcc_exception_cleanup
(reason=<optimized out>, excep=<optimized out>) at ../rts/a-exexpr.adb:354
354 Free (Copy);
(gdb) disas
Dump of assembler code for function
ada__exceptions__exception_propagation__gnat_gcc_exception_cleanupXn:
0x000055555558a80e <+0>: test rsi,rsi
0x000055555558a811 <+3>: je 0x55555558a825
<ada__exceptions__exception_propagation__gnat_gcc_exception_cleanupXn+23>
0x000055555558a813 <+5>: sub rsp,0x8
0x000055555558a817 <+9>: mov rdi,QWORD PTR [rsi-0x8]
0x000055555558a81b <+13>: call 0x5555555c03d0 <__gnat_free>
=> 0x000055555558a820 <+18>: add rsp,0x8
0x000055555558a824 <+22>: ret
0x000055555558a825 <+23>: ret
End of assembler dump.
#3 0x000055555558a914 in <__gnat_end_handler_v1>
(gcc_exception=gcc_exception@entry=0x55555572a660,
saved_cleanup=saved_cleanup@entry=0x55555558a80e
<ada.exceptions.exception_propagation.gnat_gcc_exception_cleanup>,
propagating_exception=propagating_exception@entry=0x0)
at ../rts/a-exexpr.adb:519
519 Unwind_DeleteException (GCC_Exception);
(gdb) disas
Dump of assembler code for function __gnat_end_handler_v1:
0x000055555558a8e0 <+0>: mov QWORD PTR [rdi+0x8],rsi
0x000055555558a8e4 <+4>: cmp rdi,rdx
0x000055555558a8e7 <+7>: setne dl
0x000055555558a8ea <+10>: lea rax,[rip+0x2f] # 0x55555558a920
<__gnat_claimed_cleanup>
0x000055555558a8f1 <+17>: cmp rsi,rax
0x000055555558a8f4 <+20>: setne al
0x000055555558a8f7 <+23>: test dl,al
0x000055555558a8f9 <+25>: jne 0x55555558a8fc
<__gnat_end_handler_v1+28>
0x000055555558a8fb <+27>: ret
0x000055555558a8fc <+28>: push rbx
0x000055555558a8fd <+29>: mov rbx,rdi
0x000055555558a900 <+32>: call QWORD PTR [rip+0xbe88a] #
0x555555649190 <system__soft_links__get_current_excep>
0x000055555558a906 <+38>: cmp rbx,QWORD PTR [rax+0x8]
0x000055555558a90a <+42>: je 0x55555558a916
<__gnat_end_handler_v1+54>
0x000055555558a90c <+44>: mov rdi,rbx
0x000055555558a90f <+47>: call 0x555555602c40 <_Unwind_DeleteException>
=> 0x000055555558a914 <+52>: pop rbx
0x000055555558a915 <+53>: ret
0x000055555558a916 <+54>: mov QWORD PTR [rax+0x8],0x0
0x000055555558a91e <+62>: jmp 0x55555558a90c
<__gnat_end_handler_v1+44>
End of assembler dump.
