On 2015.04.06 at 04:01 +0530, Prathamesh Kulkarni wrote: > On 6 April 2015 at 02:03, Prathamesh Kulkarni > <prathamesh.kulkarni@xxxxxxxxxx> wrote: > > Hi, > > I tried to build v8 with LTO enabled on arm-linux-gnueabihf and got > > following error > > messages: > > > > /tmp/cckZwLk4.s: Assembler messages: > > /tmp/cckZwLk4.s:30417: Error: offset out of range > > /tmp/cckZwLk4.s:30563: Error: offset out of range > > lto-wrapper: fatal error: > > /home/prathamesh.kulkarni/arm-linux-gnueabihf/bin/arm-linux-gnueabihf-g++ > > returned 1 exit status > > compilation terminated. > > > > Please find attached complete log, and changes to build/toolchain.gyi. > > > > GYP_DEFINES="v8_target_arch=arm arm_float_abi=hard clang=0 > > host_clang=0 linux_use_gold_flags=1 linux_use_bundled_gold=0 > > linux_use_bundled_binutils=0 werror=" > > > > Thread model: posix > > gcc version 5.0.0 20150330 (experimental) (GCC) > > > > Am I building it incorrectly or is this a GCC bug ? > Build succeeds with LTO enabled with gcc-4.8.2 on native arm-linux-gnueabihf > However with 4.9 fails with the same error messages from assembler > (tried on native arm-linux-gnueabihf). Looks like a gcc bug. You could try to reduce the issue: https://gcc.gnu.org/wiki/A_guide_to_testcase_reduction#Reducing_LTO_bugs -- Markus
