https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95614
Bug ID: 95614 Summary: ICE in build_field, at fortran/trans-common.c:301 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: --- A name clash affects versions down to at least r5 : $ cat z1.f90 module m common m end $ cat z2.f90 module m common /xc/ m end $ cat z0.f90 module m integer m end $ gfortran-11-20200607 -c z0.f90 z0.f90:2:9: 2 | integer m | 1 Error: Symbol 'm' at (1) cannot have a type $ gfortran-11-20200607 -c z1.f90 f951: internal compiler error: Segmentation fault 0xd5a35f crash_signal ../../gcc/toplev.c:328 0x9c8ecb contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) ../../gcc/tree.h:3409 0x9c8ecb size_binop_loc(unsigned int, tree_code, tree_node*, tree_node*) ../../gcc/fold-const.c:1906 0x763a2a build_field ../../gcc/fortran/trans-common.c:301 0x763a2a create_common ../../gcc/fortran/trans-common.c:646 0x765cce translate_common ../../gcc/fortran/trans-common.c:1265 0x765e86 gfc_trans_common(gfc_namespace*) ../../gcc/fortran/trans-common.c:1356 0x778c27 gfc_generate_module_vars(gfc_namespace*) ../../gcc/fortran/trans-decl.c:5796 0x746891 gfc_generate_module_code(gfc_namespace*) ../../gcc/fortran/trans.c:2238 0x6f1141 translate_all_program_units ../../gcc/fortran/parse.c:6293 0x6f1141 gfc_parse_file() ../../gcc/fortran/parse.c:6545 0x73daef gfc_be_parse_file ../../gcc/fortran/f95-lang.c:212