http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55480
--- Comment #5 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-11-27
14:48:24 UTC ---
On x86_64 Fedora 15, these failure back trace as...
$ gdb /home/howarth/work-gcc/gcc/cc1
...
(gdb) r -quiet -v -iprefix
/home/howarth/work-gcc/gcc/../lib/gcc/x86_64-unknown-linux-gnu/4.8.0/ -isystem
/home/howarth/work-gcc/gcc/include -isystem
/home/howarth/work-gcc/gcc/include-fixed
/home/howarth/gcc/gcc/testsuite/gcc.c-torture/compile/20010525-1.c -quiet
-dumpbase 20010525-1.c -mtune=generic -march=x86-64 -auxbase-strip 20010525-1.o
-O0 -w -version -fno-diagnostics-show-caret -fsanitize=address -o
/tmp/cc3cqyrC.s
...
/home/howarth/gcc/gcc/testsuite/gcc.c-torture/compile/20010525-1.c:1:12:
internal compiler error: verify_gimple failed
0x8fcc9b verify_gimple_in_cfg(function*)
../../gcc/gcc/tree-cfg.c:4721
0x834554 execute_function_todo
../../gcc/gcc/passes.c:1971
0x83515c execute_todo
../../gcc/gcc/passes.c:2000
which at the breakpoint tree-cfg.c:4721 backtraces as...
Breakpoint 1, verify_gimple_in_cfg (fn=0x7ffff172b140) at
../../gcc/gcc/tree-cfg.c:4721
4721 internal_error ("verify_gimple failed");
(gdb) bt
#0 verify_gimple_in_cfg (fn=0x7ffff172b140) at ../../gcc/gcc/tree-cfg.c:4721
#1 0x0000000000834555 in execute_function_todo (data=<optimized out>) at
../../gcc/gcc/passes.c:1971
#2 0x000000000083515d in execute_todo (flags=2072) at
../../gcc/gcc/passes.c:2000
#3 0x00000000008387ed in execute_one_pass (pass=0x13e5c40) at
../../gcc/gcc/passes.c:2350
#4 0x0000000000838ba5 in execute_pass_list (pass=0x13e5c40) at
../../gcc/gcc/passes.c:2384
#5 0x000000000060d85c in expand_function (node=0x7ffff17296f0) at
../../gcc/gcc/cgraphunit.c:1641
#6 0x000000000060f805 in output_in_order () at ../../gcc/gcc/cgraphunit.c:1834
#7 compile () at ../../gcc/gcc/cgraphunit.c:2038
#8 0x000000000060fca5 in finalize_compilation_unit () at
../../gcc/gcc/cgraphunit.c:2120
#9 0x00000000004f8b93 in c_write_global_declarations () at
../../gcc/gcc/c/c-decl.c:10120
#10 0x00000000008dc395 in compile_file () at ../../gcc/gcc/toplev.c:559
#11 0x00000000008de042 in do_compile () at ../../gcc/gcc/toplev.c:1884
#12 toplev_main (argc=24, argv=0x7fffffffdcc8) at ../../gcc/gcc/toplev.c:1960
#13 0x00000035e962135d in __libc_start_main (main=0x4dce60 <main(int, char**)>,
argc=24, ubp_av=0x7fffffffdcc8, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdcb8)
at libc-start.c:226
#14 0x00000000004dce91 in _start ()
(gdb)
