[Bug c++/107977] New: ICE: in add_specializations, at cp/module.cc:13186 with -fdump-ada-spec -fmodule-header

[Bug c++/107977] New: ICE: in add_specializations, at cp/module.cc:13186 with -fdump-ada-spec -fmodule-header

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107977

            Bug ID: 107977
           Summary: ICE: in add_specializations, at cp/module.cc:13186
                    with -fdump-ada-spec -fmodule-header
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 54019
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54019&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-g++ -fdump-ada-spec -fmodule-header testcase.C 
testcase.C: internal compiler error: in add_specializations, at
cp/module.cc:13186
0x705fad depset::hash::add_specializations(bool)
        /repo/gcc-trunk/gcc/cp/module.cc:13186
0xf3f230 module_state::write_begin(elf_out*, cpp_reader*, module_state_config&,
unsigned int&)
        /repo/gcc-trunk/gcc/cp/module.cc:17879
0xf406a4 finish_module_processing(cpp_reader*)
        /repo/gcc-trunk/gcc/cp/module.cc:20235
0xecfe92 c_parse_final_cleanups()
        /repo/gcc-trunk/gcc/cp/decl2.cc:5148
0x10fb220 c_common_parse_file()
        /repo/gcc-trunk/gcc/c-family/c-opts.cc:1266
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.

$ x86_64-pc-linux-gnu-g++ -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g++
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-4493-20221205115445-g109148dd16e-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-4493-20221205115445-g109148dd16e-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20221205 (experimental) (GCC)

[Bug c++/107977] [11/12/13 Regression] ICE: in add_specializations, at cp/module.cc:13186 with -fdump-ada-spec -fmodule-header since r11-6084-g4efde6781bba8d64

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107977

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE: in                     |[11/12/13 Regression] ICE:
                   |add_specializations, at     |in add_specializations, at
                   |cp/module.cc:13186 with     |cp/module.cc:13186 with
                   |-fdump-ada-spec             |-fdump-ada-spec
                   |-fmodule-header             |-fmodule-header since
                   |                            |r11-6084-g4efde6781bba8d64
             Status|UNCONFIRMED                 |NEW
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |nathan at gcc dot gnu.org
   Last reconfirmed|                            |2022-12-09
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r11-6084-g4efde6781bba8d64.

[Bug c++/107977] ICE: in add_specializations, at cp/module.cc:13186 with -fdump-ada-spec -fmodule-header since r11-6084-g4efde6781bba8d64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107977

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[11/12/13 Regression] ICE:  |ICE: in
                   |in add_specializations, at  |add_specializations, at
                   |cp/module.cc:13186 with     |cp/module.cc:13186 with
                   |-fdump-ada-spec             |-fdump-ada-spec
                   |-fmodule-header since       |-fmodule-header since
                   |r11-6084-g4efde6781bba8d64  |r11-6084-g4efde6781bba8d64

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is not a regression as -fmodule-header didn't exist before that revision.