http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59941
--- Comment #10 from janus at gcc dot gnu.org --- (In reply to janus from comment #8) > Backtrace from gdb: > > > Program received signal SIGSEGV, Segmentation fault. > 0x00000000004d19d6 in replace_comp (expr=expr@entry=0x146cc10, > sym=sym@entry=0x146f7a0, i=i@entry=0x7fffffffdc6c) > at /home/jweil/gcc47/branch/gcc/fortran/expr.c:4199 > 4199 && !gfc_is_intrinsic (expr->symtree->n.sym, 0, expr->where))) > (gdb) bt > #0 0x00000000004d19d6 in replace_comp (expr=expr@entry=0x146cc10, > sym=sym@entry=0x146f7a0, i=i@entry=0x7fffffffdc6c) > at /home/jweil/gcc47/branch/gcc/fortran/expr.c:4199 Here in replace_comp, the sym is 'get_smatrix', and the problem is that expr->symtree is NULL. > #1 0x00000000004d46ba in gfc_traverse_expr (expr=0x146cc10, > sym=sym@entry=0x146f7a0, > func=func@entry=0x4d19a0 <replace_comp>, f=f@entry=0) at > /home/jweil/gcc47/branch/gcc/fortran/expr.c:3929 > #2 0x00000000004d6c9c in gfc_expr_replace_comp (expr=<optimized out>, > dest=dest@entry=0x146f7a0) > at /home/jweil/gcc47/branch/gcc/fortran/expr.c:4218 > #3 0x0000000000524615 in resolve_fl_derived0 (sym=sym@entry=0x146e590) > at /home/jweil/gcc47/branch/gcc/fortran/resolve.c:11724 > #4 0x000000000052c80d in resolve_fl_derived (sym=sym@entry=0x146e590) > at /home/jweil/gcc47/branch/gcc/fortran/resolve.c:12046 In here the sym is '__vtype_beam_structures_Beam_structure_t' (the vtabs and vtypes are always imported when loading a module).
