On Fri, Aug 8, 2014 at 10:05 AM, Bin.Cheng <amker.ch...@gmail.com> wrote: > 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?
Sure. > BTW, I found GCC trunk@213701 failed when building ada with below ICE > message, so I have to do the bootstrap with ada disabled. Heh - I usually do LTO bootstrap only for c,c++,fortran as otherwise it takes ages... ;) Richard. > ../../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
