[Bug fortran/59016] f951: internal compiler error: Segmentation fault

["dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59016

--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Backtrace is

Program received signal SIGSEGV, Segmentation fault.
error_print(const char *, const char *, typedef __va_list_tag __va_list_tag *)
(type=<optimized out>, format0=<optimized out>, argp=<optimized out>)
    at ../../work/gcc/fortran/error.c:173
173      while (*p)
(gdb) bt
#0  error_print(const char *, const char *, typedef __va_list_tag __va_list_tag
*) (type=<optimized out>, format0=<optimized out>, 
    argp=<optimized out>) at ../../work/gcc/fortran/error.c:173
#1  0x000000010002fa4e in gfc_error (gmsgid=<optimized out>) at
../../work/gcc/fortran/error.c:1003
#2  0x000000010003827c in check_interface0 (p=0x141f05ad0,
interface_name=0x7fff5fbff060 "generic interface 'atomic_kind_type'")
    at ../../work/gcc/fortran/interface.c:1568
#3  0x000000010003b243 in check_sym_interfaces (sym=0x25) at
../../work/gcc/fortran/interface.c:1680
#4  0x00000001000a98dc in do_traverse_symtree (st=<optimized out>,
st_func=<optimized out>, sym_func=<optimized out>)
    at ../../work/gcc/fortran/symbol.c:3575
#5  0x000000010003c01c in gfc_check_interfaces (ns=0x143020c00) at
../../work/gcc/fortran/interface.c:1790
#6  0x0000000100094071 in resolve_types (ns=<optimized out>) at
../../work/gcc/fortran/resolve.c:14589
#7  0x000000010008f9eb in gfc_resolve (ns=<optimized out>) at
../../work/gcc/fortran/resolve.c:14670
#8  0x000000010007a0a1 in gfc_parse_file () at
../../work/gcc/fortran/parse.c:4672
#9  0x00000001000bc7f6 in gfc_be_parse_file () at
../../work/gcc/fortran/f95-lang.c:188
#10 0x000000010084c924 in compile_file () at ../../work/gcc/toplev.c:547
#11 0x000000010084ebe9 in toplev_main (argc=2, argv=0x7fff5fbff4d0) at
../../work/gcc/toplev.c:1887