[Bug fortran/93814] New: [9/10 Regression] ICE in build_entry_thunks, at fortran/trans-decl.c:2898

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93814

            Bug ID: 93814
           Summary: [9/10 Regression] ICE in build_entry_thunks, at
                    fortran/trans-decl.c:2898
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20190106 and 20190113 :


$ cat z1.f90
function f() bind(c)
character :: f, g
entry g() bind(c)
end


$ gfortran-9-20190106 -c z1.f90
z1.f90:2:17:

    2 | character :: f, g
      |                 1
    3 | entry g() bind(c)
      |       2
Error: Procedure 'g' with binding label 'g' at (1) uses the same global
identifier as entity at (2)


$ gfortran-10-20200216 -c z1.f90
z1.f90:1:0:

    1 | function f() bind(c)
      |
internal compiler error: Segmentation fault
0xbae76f crash_signal
        ../../gcc/toplev.c:328
0x71bfed tree_node** vec_safe_push<tree_node*, va_gc>(vec<tree_node*, va_gc,
vl_embed>*&, tree_node* const&)
        ../../gcc/vec.h:792
0x71bfed build_entry_thunks
        ../../gcc/fortran/trans-decl.c:2898
0x71bfed gfc_create_function_decl(gfc_namespace*, bool)
        ../../gcc/fortran/trans-decl.c:3052
0x721eb6 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6729
0x6a9ec6 translate_all_program_units
        ../../gcc/fortran/parse.c:6306
0x6a9ec6 gfc_parse_file()
        ../../gcc/fortran/parse.c:6545
0x6f44ff gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:210