https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107142
Bug ID: 107142 Summary: [PDT] ICE: Segmentation fault (in next_statement) Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gfortran 13.0.0 20220925 snapshot (g:77bbf69d2981dafc2ef3e59bfbefb645d88bab9d) ICEs when compiling the following testcase, reduced from test/Semantics/selecttype01.f90 from the flang 15.0.1 test suite: module c1162a type pdt(kind,len) integer, kind :: kind integer, len :: len end type contains subroutine foo(x) class(pdt(kind=1,len=:)), allocatable :: x select type (x) type is (pdt(kind=*, len=*)) end select end subroutine end module % gfortran-13.0.0 -c lwe7niqj.f90 lwe7niqj.f90:10:14: 10 | type is (pdt(kind=*, len=*)) | 1 Error: Syntax error in TYPE IS specification at (1) f951: internal compiler error: Segmentation fault 0xf756bf crash_signal /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/toplev.cc:314 0x928173 next_statement /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:1608 0x92bed0 parse_executable /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:5968 0x92dc90 parse_progunit /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:6238 0x92e094 parse_contained /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:6113 0x92f025 parse_module /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:6486 0x92f468 gfc_parse_file() /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/parse.cc:6793 0x98248f gfc_be_parse_file /var/tmp/portage/sys-devel/gcc-13.0.0_p20220925/work/gcc-13-20220925/gcc/fortran/f95-lang.cc:229