http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53011
--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de>
2012-04-16 19:59:38 UTC ---
create_preheader (loop=0x7ffff7452440, flags=<optimized out>) at
/home/markus/gcc/gcc/cfgloopmanip.c:1391
1391 latch_edge_was_fallthru = (mfb_kj_edge->flags & EDGE_FALLTHRU) != 0;
(gdb) bt
#0 create_preheader (loop=0x7ffff7452440, flags=<optimized out>) at
/home/markus/gcc/gcc/cfgloopmanip.c:1391
#1 0x0000000000607838 in create_preheaders (flags=1) at
/home/markus/gcc/gcc/cfgloopmanip.c:1443
#2 0x000000000074e417 in loop_optimizer_init (flags=flags@entry=7) at
/home/markus/gcc/gcc/loop-init.c:89
#3 0x000000000074e4ef in rtl_loop_init () at
/home/markus/gcc/gcc/loop-init.c:210
#4 0x000000000078dec8 in execute_one_pass (pass=pass@entry=0x1074880) at
/home/markus/gcc/gcc/passes.c:2176
#5 0x000000000078e225 in execute_pass_list (pass=0x1074880) at
/home/markus/gcc/gcc/passes.c:2231
#6 0x000000000078e237 in execute_pass_list (pass=0x10748e0) at
/home/markus/gcc/gcc/passes.c:2232
#7 0x000000000078e237 in execute_pass_list (pass=0x1074cc0) at
/home/markus/gcc/gcc/passes.c:2232
#8 0x0000000000612c69 in tree_rest_of_compilation (node=<error reading
variable: Unhandled dwarf expression opcode 0xfa>)
at /home/markus/gcc/gcc/cgraphunit.c:1898
#9 0x00000000006157d2 in cgraph_expand_function (node=0x7ffff7412720) at
/home/markus/gcc/gcc/cgraphunit.c:1968
#10 0x0000000000616c28 in cgraph_expand_all_functions () at
/home/markus/gcc/gcc/cgraphunit.c:2033
#11 cgraph_optimize () at /home/markus/gcc/gcc/cgraphunit.c:2724
#12 0x000000000061749a in cgraph_finalize_compilation_unit () at
/home/markus/gcc/gcc/cgraphunit.c:2809
#13 0x00000000004f1b2f in cp_write_global_declarations () at
/home/markus/gcc/gcc/cp/decl2.c:4072
#14 0x000000000081fbd8 in compile_file () at /home/markus/gcc/gcc/toplev.c:572
#15 do_compile () at /home/markus/gcc/gcc/toplev.c:1938
#16 toplev_main (argc=13, argv=0x7fffffffe438) at
/home/markus/gcc/gcc/toplev.c:2014
#17 0x00007ffff7893675 in __libc_start_main (main=0x5c1b40 <main>, argc=13,
ubp_av=0x7fffffffe438, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffffffe428) at libc-start.c:225
#18 0x0000000000492369 in _start () at ../sysdeps/x86_64/start.S:116
