https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67564
Bug ID: 67564 Summary: Segfault on sourced allocattion statement with class(*) arrays Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: neil.n.carlson at gmail dot com Target Milestone: --- The following example segfaults on the allocate statement. Using the trunk version of 20150906. program main type :: any_vector class(*), allocatable :: x(:) end type type(any_vector) :: a allocate(a%x(2), source=['foo','bar']) end program Here's the output: $ gfortran --version gfortran-bug-20150913A.f90 GNU Fortran (GCC) 6.0.0 20150906 (experimental) $ gfortran gfortran-bug-20150913A.f90 $ ./a.out Program received signal SIGSEGV: Segmentation fault - invalid memory reference. Backtrace for this error: #0 0x7F338430C517 #1 0x7F338430CB5E #2 0x7F338380D95F #3 0x7F33838677ED #4 0x400932 in __copy_character_1.3388 at gfortran-bug-20150913A.f90:? #5 0x400AC6 in MAIN__ at gfortran-bug-20150913A.f90:? Segmentation fault (core dumped)