https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99838
Bug ID: 99838 Summary: ICE in gfc_format_decoder, at fortran/error.c:970 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- With option -Warray-temporaries, affects versions down to at least r5 : $ cat z1.f90 program p type t integer :: a end type type(t) :: x(3)[*] data x%a /1, 2, 3/ end $ gfortran-11-20210328 -c z1.f90 -fcoarray=lib $ gfortran-11-20210328 -c z1.f90 -Warray-temporaries -fcoarray=single $ $ gfortran-11-20210328 -c z1.f90 -Warray-temporaries -fcoarray=lib z1.f90:1:9: 1 | program p | 1 in gfc_format_decoder, at fortran/error.c:970 0x686202 gfc_format_decoder ../../gcc/fortran/error.c:970 0x162f05e pp_format(pretty_printer*, text_info*) ../../gcc/pretty-print.c:1475 0x1622fe1 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*) ../../gcc/diagnostic.c:1244 0x685fc5 gfc_report_diagnostic ../../gcc/fortran/error.c:782 0x685fc5 gfc_warning ../../gcc/fortran/error.c:815 0x686d86 gfc_warning(int, char const*, ...) ../../gcc/fortran/error.c:846 0x73c613 gfc_trans_create_temp_array(stmtblock_t*, stmtblock_t*, gfc_ss*, tree_node*, tree_node*, bool, bool, bool, locus*) ../../gcc/fortran/trans-array.c:1355 0x746663 trans_array_constructor ../../gcc/fortran/trans-array.c:2724 0x746663 gfc_add_loop_ss_code ../../gcc/fortran/trans-array.c:3012 0x746d95 gfc_conv_loop_setup(gfc_loopinfo*, locus*) ../../gcc/fortran/trans-array.c:5317 0x776b0d gfc_trans_assignment_1 ../../gcc/fortran/trans-expr.c:11179 0x753cd8 generate_coarray_sym_init ../../gcc/fortran/trans-decl.c:5736 0x71d2b2 do_traverse_symtree ../../gcc/fortran/symbol.c:4170 0x753135 generate_coarray_init ../../gcc/fortran/trans-decl.c:5786 0x75f9c4 gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.c:6822 0x6e5de6 translate_all_program_units ../../gcc/fortran/parse.c:6351 0x6e5de6 gfc_parse_file() ../../gcc/fortran/parse.c:6620 0x7320ef gfc_be_parse_file ../../gcc/fortran/f95-lang.c:212