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Subject: [Bug fortran/99254] New: ICE in select_rank_set_tmp, at
 fortran/match.c:6568
Date: Wed, 24 Feb 2021 17:28:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99254

            Bug ID: 99254
           Summary: ICE in select_rank_set_tmp, at fortran/match.c:6568
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20190825 and 20190901, affects r10/r11 :


$ cat z1.f90
subroutine s
   class(*) :: x(..)
   select rank (y =3D> x)
   rank (1)
   end select
end


$ gfortran-11-20210221 -c z1.f90
f951: internal compiler error: Segmentation fault
0xda031f crash_signal
        ../../gcc/toplev.c:327
0x6fa137 select_rank_set_tmp
        ../../gcc/fortran/match.c:6568
0x6fa137 gfc_match_rank_is()
        ../../gcc/fortran/match.c:7076
0x715ac1 match_word
        ../../gcc/fortran/parse.c:65
0x71a562 decode_statement
        ../../gcc/fortran/parse.c:550
0x71aa7c next_free
        ../../gcc/fortran/parse.c:1316
0x71aa7c next_statement
        ../../gcc/fortran/parse.c:1548
0x71dbee parse_select_rank_block
        ../../gcc/fortran/parse.c:4421
0x71dbee parse_executable
        ../../gcc/fortran/parse.c:5540
0x71ef5f parse_progunit
        ../../gcc/fortran/parse.c:5922
0x720960 gfc_parse_file()
        ../../gcc/fortran/parse.c:6444
0x76dbcf gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:212=