https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85507
Bug ID: 85507 Summary: [8 Regression] ICE in gfc_dep_resolver, at fortran/dependency.c:2258 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: --- Introduced recently, between 20180325 and 20180422 : $ cat z1.f90 program p integer :: x[*] x[2] = x end $ cat z2.f90 subroutine sub (n, x) integer :: n, x[*] x[n] = x end $ cat z3.f90 subroutine sub (n, x) integer :: i, n, x[*] do i = 2, n x[i] = x end do end $ gfortran-8-20180325 -c z1.f90 -fcoarray=lib $ $ gfortran-8-20180422 -c z1.f90 -fcoarray=lib z1.f90:3:0: x[2] = x internal compiler error: in gfc_dep_resolver, at fortran/dependency.c:2258 0x7405a4 gfc_dep_resolver(gfc_ref*, gfc_ref*, gfc_reverse*) ../../gcc/fortran/dependency.c:2258 0x792595 conv_caf_send ../../gcc/fortran/trans-intrinsic.c:1863 0x798a8d gfc_conv_intrinsic_subroutine(gfc_code*) ../../gcc/fortran/trans-intrinsic.c:10981 0x74abb2 trans_code ../../gcc/fortran/trans.c:1887 0x771f99 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6507 0x701120 translate_all_program_units ../../gcc/fortran/parse.c:6121 0x701120 gfc_parse_file() ../../gcc/fortran/parse.c:6324 0x747e2f gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204