https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85544
Bug ID: 85544 Summary: ICE in gfc_conv_scalarized_array_ref, at fortran/trans-array.c:3385 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Affects versions down to 4.9 at -O[gs123], gfortran-4.8 works : $ cat z1.f90 program p integer, parameter :: na = -3, ne = 10 integer :: i, a(na:ne), b(na:ne) a = [(i, i=na, ne)] b = [2**a] print *, b end $ gfortran-4.8 z1.f90 -O2 $ a.out 0 0 0 1 2 4 8 16 32 64 128 256 512 1024 $ $ gfortran-8-20180422 z1.f90 -O0 -static-libgfortran $ a.out 0 0 0 1 2 4 8 16 32 64 128 256 512 1024 $ $ gfortran-8-20180422 -c z1.f90 -O2 z1.f90:5:0: b = [2**a] internal compiler error: Segmentation fault 0xb9d82f crash_signal ../../gcc/toplev.c:325 0x752e3b gfc_conv_scalarized_array_ref ../../gcc/fortran/trans-array.c:3385 0x753b49 gfc_conv_array_ref(gfc_se*, gfc_array_ref*, gfc_expr*, locus*) ../../gcc/fortran/trans-array.c:3540 0x78194d gfc_conv_variable ../../gcc/fortran/trans-expr.c:2737 0x77e672 gfc_conv_expr(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.c:7930 0x780be3 gfc_conv_expr_val(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.c:7975 0x78b434 gfc_conv_intrinsic_function_args ../../gcc/fortran/trans-intrinsic.c:229 0x79e112 gfc_conv_intrinsic_ishft ../../gcc/fortran/trans-intrinsic.c:5760 0x79e112 gfc_conv_intrinsic_function(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-intrinsic.c:9265 0x77e0b5 gfc_conv_function_expr ../../gcc/fortran/trans-expr.c:6788 0x77e652 gfc_conv_expr(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.c:7922 0x74fbb7 gfc_trans_array_ctor_element ../../gcc/fortran/trans-array.c:1524 0x75aea5 gfc_trans_array_constructor_value ../../gcc/fortran/trans-array.c:1783 0x75b7f3 trans_array_constructor ../../gcc/fortran/trans-array.c:2543 0x75b7f3 gfc_add_loop_ss_code ../../gcc/fortran/trans-array.c:2819 0x75c025 gfc_conv_loop_setup(gfc_loopinfo*, locus*) ../../gcc/fortran/trans-array.c:5110 0x7862fc gfc_trans_assignment_1 ../../gcc/fortran/trans-expr.c:10058 0x74ac87 trans_code ../../gcc/fortran/trans.c:1828 0x771f99 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6507 0x701120 translate_all_program_units ../../gcc/fortran/parse.c:6121