https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49802
G. Steinmetz <gs...@t-online.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |gs...@t-online.de --- Comment #10 from G. Steinmetz <gs...@t-online.de> --- Update from comment 5 (combination of value and optional) : $ cat z1.f90 subroutine s(x) character, value, optional :: x print *, present(x) end $ gfortran-9-20181111 -c z1.f90 z1.f90:3:0: 3 | print *, present(x) | internal compiler error: in fold_convert_loc, at fold-const.c:2548 0x8a9bb3 fold_convert_loc(unsigned int, tree_node*, tree_node*) ../../gcc/fold-const.c:2548 0x6eafd6 gfc_conv_expr_present(gfc_symbol*) ../../gcc/fortran/trans-expr.c:1724 0x7155e9 gfc_conv_intrinsic_present ../../gcc/fortran/trans-intrinsic.c:3493 0x7155e9 gfc_conv_intrinsic_function(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-intrinsic.c:9726 0x6fa2b4 gfc_conv_function_expr ../../gcc/fortran/trans-expr.c:6905 0x6ee90a gfc_conv_expr(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.c:8039 0x6f43b5 gfc_conv_expr_reference(gfc_se*, gfc_expr*, bool) ../../gcc/fortran/trans-expr.c:8184 0x71b007 gfc_trans_transfer(gfc_code*) ../../gcc/fortran/trans-io.c:2584 0x6c0067 trans_code ../../gcc/fortran/trans.c:2038 0x718afe build_dt ../../gcc/fortran/trans-io.c:2026 0x6c0047 trans_code ../../gcc/fortran/trans.c:2010 0x6e7674 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6509 0x6744d6 translate_all_program_units ../../gcc/fortran/parse.c:6125 0x6744d6 gfc_parse_file() ../../gcc/fortran/parse.c:6328 0x6bc89f gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204