https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85953
Bug ID: 85953 Summary: [6/7/8/9 Regression] ICE in fold_convert_loc, at fold-const.c:2370 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Affects versions 6 to 9, gfortran-5 works : $ cat z1.f90 program p character(:), allocatable :: x(:) x = [character :: 'a', 'b'] x = ([character :: x, 'c']) print *, x end $ gfortran-5 z1.f90 $ a.out abc $ gfortran-9-20180527 -c z1.f90 z1.f90:4:0: x = ([character :: x, 'c']) internal compiler error: Segmentation fault 0xba072f crash_signal ../../gcc/toplev.c:325 0x929b80 fold_convert_loc(unsigned int, tree_node*, tree_node*) ../../gcc/fold-const.c:2370 0x7621b0 gfc_alloc_allocatable_for_assignment(gfc_loopinfo*, gfc_expr*, gfc_expr*) ../../gcc/fortran/trans-array.c:9935 0x786fc5 gfc_trans_assignment_1 ../../gcc/fortran/trans-expr.c:10329 0x74af47 trans_code ../../gcc/fortran/trans.c:1828 0x772269 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6507 0x701040 translate_all_program_units ../../gcc/fortran/parse.c:6121 0x701040 gfc_parse_file() ../../gcc/fortran/parse.c:6324 0x7480ef gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204