https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86470
--- Comment #3 from janus at gcc dot gnu.org ---
On current trunk I get the following backtrace:
internal compiler error: Segmentation fault
0xc71fdf crash_signal
/home/jweil/github/gcc/trunk/gcc/toplev.c:325
0x948110 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/home/jweil/github/gcc/trunk/gcc/tree.h:3226
0x948110 fold_convert_loc(unsigned int, tree_node*, tree_node*)
/home/jweil/github/gcc/trunk/gcc/fold-const.c:2388
0x6cb4d6 gfc_call_malloc(stmtblock_t*, tree_node*, tree_node*)
/home/jweil/github/gcc/trunk/gcc/fortran/trans.c:605
0x6ddd87 duplicate_allocatable
/home/jweil/github/gcc/trunk/gcc/fortran/trans-array.c:8079
0x6ddfa5 gfc_duplicate_allocatable_nocopy(tree_node*, tree_node*, tree_node*,
int)
/home/jweil/github/gcc/trunk/gcc/fortran/trans-array.c:8172
0x74338f gfc_walk_alloc_comps
/home/jweil/github/gcc/trunk/gcc/fortran/trans-openmp.c:383
0x746052 gfc_omp_clause_default_ctor(tree_node*, tree_node*, tree_node*)
/home/jweil/github/gcc/trunk/gcc/fortran/trans-openmp.c:471
0xb549dc lower_rec_input_clauses
/home/jweil/github/gcc/trunk/gcc/omp-low.c:4104
It's strange that we run into 'gfc_walk_alloc_comps' at all, although no
allocatable components are involved. Possibly 'gfc_has_alloc_comps' is buggy?
