[Bug target/106971] New: ICE in aarch64_init_ls64_builtins_types, at config/aarch64/aarch64-builtins.cc:1856

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106971

            Bug ID: 106971
           Summary: ICE in aarch64_init_ls64_builtins_types, at
                    config/aarch64/aarch64-builtins.cc:1856
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gcc 13.0.0 20220918 snapshot (g:313879d8768d08dea035efd7fd62b753dc91c364) ICEs
when compiling the following testcase w/ -march=armv8-a+ls64 -O1 -fpack-struct:

#pragma GCC aarch64 "arm_acle.h"

% aarch64-linux-gnu-gcc-13.0.0 -march=armv8-a+ls64 -O1 -fpack-struct -c
kpgwlgsl.c
kpgwlgsl.c:1:9: internal compiler error: in aarch64_init_ls64_builtins_types,
at config/aarch64/aarch64-builtins.cc:1856
    1 | #pragma GCC aarch64 "arm_acle.h"
      |         ^~~
0x7ffca6 aarch64_init_ls64_builtins_types
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/config/aarch64/aarch64-builtins.cc:1856
0x7ffca6 aarch64_init_ls64_builtins
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/config/aarch64/aarch64-builtins.cc:1862
0x7ffca6 handle_arm_acle_h()
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/config/aarch64/aarch64-builtins.cc:1919
0x9cbd2d aarch64_pragma_aarch64
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/config/aarch64/aarch64-c.cc:293
0x90b4d7 c_parser_pragma
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/c/c-parser.cc:12707
0x937e45 c_parser_external_declaration
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/c/c-parser.cc:1770
0x9385cb c_parser_translation_unit
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/c/c-parser.cc:1662
0x9385cb c_parse_file()
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/c/c-parser.cc:23682
0x99b951 c_common_parse_file()
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/c-family/c-opts.cc:1255

It seems either assert is too strict, or the compiler should somehow bail out
earlier when -fpack-struct is passed.