[Bug fortran/83998] New: [8 Regression] ICE in gfc_conv_intrinsic_dot_product, at fortran/trans-intrinsic.c:4403

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83998

            Bug ID: 83998
           Summary: [8 Regression] ICE in gfc_conv_intrinsic_dot_product,
                    at fortran/trans-intrinsic.c:4403
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Changed between 20171022 and 20171029 :


$ cat z1.f90
program p
   integer, parameter :: a(0) = 1
   print *, dot_product(a, a)
end


$ gfortran-8-20171022 -static-libgfortran z1.f90
$ a.out
           0
$
$ gfortran-8-20180121 -c z1.f90
z1.f90:3:0:

    print *, dot_product(a, a)

internal compiler error: in gfc_conv_intrinsic_dot_product, at
fortran/trans-intrinsic.c:4403
0x787a5d gfc_conv_intrinsic_dot_product
        ../../gcc/fortran/trans-intrinsic.c:4403
0x79affa gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-intrinsic.c:8889
0x77ae55 gfc_conv_function_expr
        ../../gcc/fortran/trans-expr.c:6731
0x77b3f2 gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:7863
0x781ab8 gfc_conv_expr_reference(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:7998
0x7a1226 gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2576
0x747d37 trans_code
        ../../gcc/fortran/trans.c:2028
0x79ecf7 build_dt
        ../../gcc/fortran/trans-io.c:2028
0x747d57 trans_code
        ../../gcc/fortran/trans.c:2000
0x76ef29 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6451
0x6fecd0 translate_all_program_units
        ../../gcc/fortran/parse.c:6103
0x6fecd0 gfc_parse_file()
        ../../gcc/fortran/parse.c:6306
0x74520f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204