------- Comment #4 from aldot at gcc dot gnu dot org 2006-05-04 17:23 -------
for reference, the backtrace on i686:
Program received signal SIGSEGV, Segmentation fault.
0x0820096f in fold_convert (type=0x0, arg=0xb71527fc)
at ../../../src/gcc-4.2/gcc/fold-const.c:1991
1991 if (TREE_CODE (arg) == ERROR_MARK
(gdb) bt
#0 0x0820096f in fold_convert (type=0x0, arg=0xb71527fc)
at ../../../src/gcc-4.2/gcc/fold-const.c:1991
#1 0x08452ecb in chrec_convert (type=0x0, chrec=0xb71527fc,
at_stmt=0xb75a4320) at ../../../src/gcc-4.2/gcc/tree-chrec.c:1187
#2 0x0845bf70 in create_data_ref (memref=0xb75996e8, stmt=0xb75a4320,
is_read=1 '\001') at ../../../src/gcc-4.2/gcc/tree-data-ref.c:1960
#3 0x08460e70 in find_data_references_in_loop (loop=0x87684d0,
datarefs=0x8849a2c) at ../../../src/gcc-4.2/gcc/tree-data-ref.c:4050
#4 0x08461887 in compute_data_dependences_for_loop (loop=0x87684d0,
compute_self_and_read_read_dependences=0 '\0', datarefs=0x8849a2c,
dependence_relations=0x8849a30)
at ../../../src/gcc-4.2/gcc/tree-data-ref.c:4189
#5 0x08116a8d in vect_analyze_data_refs (loop_vinfo=0x8849a08)
at ../../../src/gcc-4.2/gcc/tree-vect-analyze.c:1336
#6 0x08118539 in vect_analyze_loop (loop=0x87684d0)
at ../../../src/gcc-4.2/gcc/tree-vect-analyze.c:1999
#7 0x0811422f in vectorize_loops (loops=0x8853148)
at ../../../src/gcc-4.2/gcc/tree-vectorizer.c:2040
#8 0x0810645f in tree_vectorize ()
at ../../../src/gcc-4.2/gcc/tree-ssa-loop.c:193
#9 0x083f4e2c in execute_one_pass (pass=0x86010a0)
at ../../../src/gcc-4.2/gcc/passes.c:864
#10 0x083f4f77 in execute_pass_list (pass=0x86010a0)
at ../../../src/gcc-4.2/gcc/passes.c:911
#11 0x083f4f97 in execute_pass_list (pass=0x8600fa0)
at ../../../src/gcc-4.2/gcc/passes.c:912
#12 0x083f4f97 in execute_pass_list (pass=0x85ff9e0)
at ../../../src/gcc-4.2/gcc/passes.c:912
#13 0x080c1a83 in tree_rest_of_compilation (fndecl=0xb7872f80)
at ../../../src/gcc-4.2/gcc/tree-optimize.c:418
#14 0x08057b05 in c_expand_body (fndecl=0xb7872f80)
at ../../../src/gcc-4.2/gcc/c-decl.c:6695
#15 0x08444f23 in cgraph_expand_function (node=0xb756e880)
at ../../../src/gcc-4.2/gcc/cgraphunit.c:1117
#16 0x084450bc in cgraph_expand_all_functions ()
at ../../../src/gcc-4.2/gcc/cgraphunit.c:1182
#17 0x08445883 in cgraph_optimize ()
at ../../../src/gcc-4.2/gcc/cgraphunit.c:1450
#18 0x0805a072 in c_write_global_declarations ()
at ../../../src/gcc-4.2/gcc/c-decl.c:7810
#19 0x083cc83b in compile_file () at ../../../src/gcc-4.2/gcc/toplev.c:1012
#20 0x083cdefc in do_compile () at ../../../src/gcc-4.2/gcc/toplev.c:1970
#21 0x083cdf64 in toplev_main (argc=39, argv=0xbf800d44)
at ../../../src/gcc-4.2/gcc/toplev.c:2002
#22 0x080ab280 in main (argc=39, argv=0xbf800d44)
at ../../../src/gcc-4.2/gcc/main.c:35
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27331
