https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88269
Bug ID: 88269 Summary: ICE in gfc_format_decoder, at fortran/error.c:947 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: --- With invalid code, down to at least gcc-5 : $ cat z1.f90 program p write (end=1e1) write (end=1d1) write (end=1q1) end $ gfortran-9-20181125 -c z1.f90 0x619a5e gfc_format_decoder ../../gcc/fortran/error.c:947 0x131c83e pp_format(pretty_printer*, text_info*) ../../gcc/pretty-print.c:1390 0x13121e5 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*) ../../gcc/diagnostic.c:1015 0x6198fc gfc_error_opt ../../gcc/fortran/error.c:1313 0x61aea0 gfc_error(char const*, ...) ../../gcc/fortran/error.c:1342 0x63c9b2 check_io_constraints ../../gcc/fortran/io.c:3755 0x63c9b2 match_io ../../gcc/fortran/io.c:4301 0x66b341 match_word ../../gcc/fortran/parse.c:65 0x66eeb2 decode_statement ../../gcc/fortran/parse.c:585 0x66f6aa next_free ../../gcc/fortran/parse.c:1234 0x66f6aa next_statement ../../gcc/fortran/parse.c:1466 0x671a14 parse_spec ../../gcc/fortran/parse.c:3674 0x673787 parse_progunit ../../gcc/fortran/parse.c:5671 0x674e09 gfc_parse_file() ../../gcc/fortran/parse.c:6211 0x6bdaff gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204