On Thu, Aug 7, 2014 at 8:06 PM, Richard Biener
<richard.guent...@gmail.com> wrote:
> On Thu, Aug 7, 2014 at 11:46 AM, Bin Cheng <bin.ch...@arm.com> wrote:
>> Hi,
>> As analyzed in PR62032, this patch fixes the latent lto bug by switching
>> arguments of lto_define_builtins, otherwise vsnprintf-chk.c would fail on
>> arm/aarch64 with lto options.
>>
>> Is it ok if bootstrap and test pass?
>
> Ok (would be nice if you can check if LTO bootstrap still works).
Done. Bootstrap with "--with-build-config=bootstrap-lto" works fine.
I will commit this to trunk and wait for couple of days before
back-port to 4_9 branch. Is that OK?
BTW, I found GCC trunk@213701 failed when building ada with below ICE
message, so I have to do the bootstrap with ada disabled.
../../gcc/gcc/ada/exp_ch3.adb: In function 'exp_ch3__get_simple_init_val':
../../gcc/gcc/ada/exp_ch3.adb:7695:4: internal compiler error: in
forward_edge_to_pdom, at tree-ssa-dce.c:1042
function Get_Simple_Init_Val
^
0xc23a8d forward_edge_to_pdom
../../gcc/gcc/tree-ssa-dce.c:1042
0xc23c21 remove_dead_stmt
../../gcc/gcc/tree-ssa-dce.c:1091
0xc24120 eliminate_unnecessary_stmts
../../gcc/gcc/tree-ssa-dce.c:1218
0xc24b23 perform_tree_ssa_dce
../../gcc/gcc/tree-ssa-dce.c:1460
0xc24c1c tree_ssa_cd_dce
../../gcc/gcc/tree-ssa-dce.c:1501
0xc24d86 execute
../../gcc/gcc/tree-ssa-dce.c:1566
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [/tmp/cc4oj0WO.ltrans1.ltrans.o] Error 1
lto-wrapper: fatal error: make returned 2 exit status
compilation terminated.
/usr/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[3]: *** [gnat1] Error 1
make[3]: *** Waiting for unfinished jobs....
Thanks,
bin
