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From: "gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/106985] New: ICE in gfc_simplify_expr, at
 fortran/expr.cc:2290
Date: Tue, 20 Sep 2022 17:34:50 +0000
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X-Bugzilla-Product: gcc
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106985

            Bug ID: 106985
           Summary: ICE in gfc_simplify_expr, at fortran/expr.cc:2290
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Affects versions down to at least r5 :


$ cat z1.f90
program p
   integer, parameter :: a(2) =3D 1
   integer, parameter :: b =3D a(2) + b
end


$ gfortran-13-20220918 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd8e5df crash_signal
        ../../gcc/toplev.cc:314
0x7b7073 gfc_simplify_expr(gfc_expr*, int)
        ../../gcc/fortran/expr.cc:2290
0x7b6b38 simplify_intrinsic_op
        ../../gcc/fortran/expr.cc:1193
0x7b6b38 gfc_simplify_expr(gfc_expr*, int)
        ../../gcc/fortran/expr.cc:2281
0x827c09 resolve_operator
        ../../gcc/fortran/resolve.cc:4511
0x823f9f gfc_resolve_expr(gfc_expr*)
        ../../gcc/fortran/resolve.cc:7187
0x7b61a4 gfc_reduce_init_expr(gfc_expr*)
        ../../gcc/fortran/expr.cc:3163
0x7b9130 gfc_match_init_expr(gfc_expr**)
        ../../gcc/fortran/expr.cc:3211
0x7a322b variable_decl
        ../../gcc/fortran/decl.cc:3028
0x7a322b gfc_match_data_decl()
        ../../gcc/fortran/decl.cc:6331
0x80e9d3 match_word
        ../../gcc/fortran/parse.cc:67
0x80e9d3 decode_statement
        ../../gcc/fortran/parse.cc:378
0x81041a next_free
        ../../gcc/fortran/parse.cc:1399
0x81041a next_statement
        ../../gcc/fortran/parse.cc:1631
0x8119bb parse_spec
        ../../gcc/fortran/parse.cc:4170
0x814b7c parse_progunit
        ../../gcc/fortran/parse.cc:6212
0x816241 gfc_parse_file()
        ../../gcc/fortran/parse.cc:6757
0x8640bf gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:229=