https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106856
Bug ID: 106856 Summary: [12/13 Regression] ICE in gfc_conv_expr_present, at fortran/trans-expr.cc:1977 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20211010 and 20211017, with option -fcheck=all : $ cat z1.f90 program p class(*), allocatable :: x, y y = 'abc' call s1(x, y) contains subroutine s1(x, y) class(*) :: x, y end subroutine s2(x, y) class(*), allocatable :: x, y optional :: x end end $ gfortran-13-20220904 -c z1.f90 -fcheck=all z1.f90:4:16: 4 | call s1(x, y) | 1 internal compiler error: in gfc_conv_expr_present, at fortran/trans-expr.cc:1977 0x894a80 gfc_conv_expr_present(gfc_symbol*, bool) ../../gcc/fortran/trans-expr.cc:1977 0x8a2b86 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*, gfc_expr*, vec<tree_node*, va_gc, vl_embed>*) ../../gcc/fortran/trans-expr.cc:7192 0x8e1130 gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool) ../../gcc/fortran/trans-stmt.cc:422 0x867f18 trans_code ../../gcc/fortran/trans.cc:2018 0x8910ae gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.cc:7654 0x81353e translate_all_program_units ../../gcc/fortran/parse.cc:6670 0x81353e gfc_parse_file() ../../gcc/fortran/parse.cc:6976 0x860b1f gfc_be_parse_file ../../gcc/fortran/f95-lang.cc:229