https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112878
Bug ID: 112878 Summary: ICE: in ctf_add_slice, at ctfc.cc:499 with -std=c23 -gctf1 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: iamanonymous.cs at gmail dot com Target Milestone: --- ******************************************************************************* OS and Platform: $ uname -a: Linux ubuntu 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ******************************************************************************* gcc version: $ gcc -v Using built-in specs. COLLECT_GCC=/root/gcc_set/202311291030/bin/gcc COLLECT_LTO_WRAPPER=/root/gcc_set/202311291030/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --prefix=/root/gcc_set/202311291030 --with-gmp=/root/build_essential --with-mpfr=/root/build_essential --with-mpc=/root/build_essential --enable-languages=c,c++ --disable-multilib --with-sanitizer=address,undefined,thread,leak Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 20231129 (experimental) (GCC) git version: 99fa0bfd63d97825c4221dcd3123940f1d0e6291 ******************************************************************************* Program: $ cat mutant.c struct { _BitInt(282) a : 280; } b; ******************************************************************************* Command Lines: $ gcc -std=c23 -gctf1 mutant.c mutant.c:3:1: internal compiler error: in ctf_add_slice, at ctfc.cc:499 3 | } b; | ^ 0x8d0e95 ctf_add_slice(ctf_container*, unsigned int, unsigned long, unsigned int, unsigned int, die_struct*) ../../gcc/gcc/ctfc.cc:499 0xb6a770 gen_ctf_sou_type ../../gcc/gcc/dwarf2ctf.cc:617 0xb69fb7 gen_ctf_type ../../gcc/gcc/dwarf2ctf.cc:892 0xb6aa61 ctf_do_die(die_struct*) ../../gcc/gcc/dwarf2ctf.cc:978 0xbbc62b ctf_debug_do_cu ../../gcc/gcc/dwarf2out.cc:32985 0xbbc62b ctf_debug_do_cu ../../gcc/gcc/dwarf2out.cc:32978 0xbbc62b dwarf2out_early_finish ../../gcc/gcc/dwarf2out.cc:33114 0xb2411f symbol_table::finalize_compilation_unit() ../../gcc/gcc/cgraphunit.cc:2578 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Also ICE on trunk, compiler explorer: https://godbolt.org/z/8ozb8MrPr