[Bug fortran/92587] [9/10 Regression] Compiler is unable to generate finalization wrapper

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92587

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |janus at gcc dot gnu.org
      Known to work|                            |7.4.0
   Target Milestone|---                         |9.3
            Summary|Compiler is unable to       |[9/10 Regression] Compiler
                   |generate finalization       |is unable to generate
                   |wrapper                     |finalization wrapper
      Known to fail|                            |10.0, 9.2.0

--- Comment #10 from Martin Liška <marxin at gcc dot gnu.org> ---
The reduced test-case started with to ICE with r9-2925-g74b08343dab5369d

$ gcc tensor_recursive.F90 -c
f951: internal compiler error: in generate_finalization_wrapper, at
fortran/class.c:2009
0x5f4619 generate_finalization_wrapper
        /home/marxin/Programming/gcc/gcc/fortran/class.c:2009
0x5f4619 gfc_find_derived_vtab(gfc_symbol*)
        /home/marxin/Programming/gcc/gcc/fortran/class.c:2487
0x7e8f75 finalize_component
        /home/marxin/Programming/gcc/gcc/fortran/class.c:1015
0x7e7b15 generate_finalization_wrapper
        /home/marxin/Programming/gcc/gcc/fortran/class.c:2164
0x7e7b15 gfc_find_derived_vtab(gfc_symbol*)
        /home/marxin/Programming/gcc/gcc/fortran/class.c:2487
0x7e568e gfc_find_derived_vtab(gfc_symbol*)
        /home/marxin/Programming/gcc/gcc/fortran/class.c:2359
0x83c7c2 gfc_match_assignment()
        /home/marxin/Programming/gcc/gcc/fortran/match.c:1375
0x861f82 match_word
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:65
0x861f82 decode_statement
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:361
0x867ac4 next_free
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:1279
0x867ac4 next_statement
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:1511
0x86c185 parse_executable
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:5425
0x86b6a9 parse_if_block
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:4136
0x86b6a9 parse_executable
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:5483
0x86b6a9 parse_if_block
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:4136
0x86b6a9 parse_executable
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:5483
0x86c3b6 parse_progunit
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:5877
0x86c852 parse_contained
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:5752
0x86d5be parse_module
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:6125
0x86db04 gfc_parse_file()
        /home/marxin/Programming/gcc/gcc/fortran/parse.c:6428
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