http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48706
--- Comment #2 from janus at gcc dot gnu.org 2011-05-18 21:50:42 UTC --- gdb shows the following backtrace: Program received signal SIGSEGV, Segmentation fault. 0x000000000050f8fc in load_derived_extensions () at /home/jweil/gcc47/trunk/gcc/fortran/module.c:4134 4134 dt = st->n.sym; (gdb) bt #0 0x000000000050f8fc in load_derived_extensions () at /home/jweil/gcc47/trunk/gcc/fortran/module.c:4134 #1 0x000000000051062a in read_module () at /home/jweil/gcc47/trunk/gcc/fortran/module.c:4593 #2 0x000000000051351b in gfc_use_module () at /home/jweil/gcc47/trunk/gcc/fortran/module.c:5764 #3 0x000000000051b7f0 in accept_statement (st=ST_USE) at /home/jweil/gcc47/trunk/gcc/fortran/parse.c:1577 #4 0x000000000051cd8a in parse_spec (st=ST_USE) at /home/jweil/gcc47/trunk/gcc/fortran/parse.c:2575 #5 0x000000000051ea05 in parse_progunit (st=ST_NONE) at /home/jweil/gcc47/trunk/gcc/fortran/parse.c:3926 #6 0x000000000051f56c in gfc_parse_file () at /home/jweil/gcc47/trunk/gcc/fortran/parse.c:4355 #7 0x000000000056535b in gfc_be_parse_file () at /home/jweil/gcc47/trunk/gcc/fortran/f95-lang.c:250 #8 0x0000000000ae8bdc in compile_file () at /home/jweil/gcc47/trunk/gcc/toplev.c:570 #9 0x0000000000aeaddd in do_compile () at /home/jweil/gcc47/trunk/gcc/toplev.c:1905 #10 0x0000000000aeaf4a in toplev_main (argc=2, argv=0x7fffffffdd78) at /home/jweil/gcc47/trunk/gcc/toplev.c:1977 #11 0x0000000000615f1c in main (argc=2, argv=0x7fffffffdd78) at /home/jweil/gcc47/trunk/gcc/main.c:36
