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.