https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95707
Bug ID: 95707 Summary: ICE in finish_equivalences, at fortran/trans-common.c:1319 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: --- Happens between name length 35 (ok) and 36 (ICE) : $ cat z1_35.f90 module m2345678901234567890123456789012345 interface module subroutine s2345678901234567890123456789012345 end end interface end submodule(m2345678901234567890123456789012345) & n2345678901234567890123456789012345 real :: a(4), u(3,2) real :: b(4), v(4,2) equivalence (a(1),u(1,1)), (b(1),v(1,1)) end $ cat z1_36.f90 module m23456789012345678901234567890123456 interface module subroutine s23456789012345678901234567890123456 end end interface end submodule(m23456789012345678901234567890123456) & n23456789012345678901234567890123456 real :: a(4), u(3,2) real :: b(4), v(4,2) equivalence (a(1),u(1,1)), (b(1),v(1,1)) end $ cat z1_63.f90 module m23456789012345678901234567890123456789012345678901234567890123 interface module subroutine s23456789012345678901234567890123456789012345678901234567890123 end end interface end submodule(m23456789012345678901234567890123456789012345678901234567890123) & n23456789012345678901234567890123456789012345678901234567890123 real :: a(4), u(3,2) real :: b(4), v(4,2) equivalence (a(1),u(1,1)), (b(1),v(1,1)) end $ gfortran-11-20200614 -c z1_35.f90 $ $ gfortran-11-20200614 -c z1_36.f90 f951: internal compiler error: in finish_equivalences, at fortran/trans-common.c:1319 0x71f615 finish_equivalences ../../gcc/fortran/trans-common.c:1319 0x71f615 gfc_trans_common(gfc_namespace*) ../../gcc/fortran/trans-common.c:1363 0x72c977 gfc_generate_module_vars(gfc_namespace*) ../../gcc/fortran/trans-decl.c:5796 0x707684 gfc_generate_module_code(gfc_namespace*) ../../gcc/fortran/trans.c:2238 0x6b4501 translate_all_program_units ../../gcc/fortran/parse.c:6293 0x6b4501 gfc_parse_file() ../../gcc/fortran/parse.c:6545 0x70036f gfc_be_parse_file ../../gcc/fortran/f95-lang.c:212