https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65828
Vittorio Zecca <zeccav at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |zeccav at gmail dot com --- Comment #6 from Vittorio Zecca <zeccav at gmail dot com> --- (In reply to Steven Noonan from comment #1) > If you want a nice tarball with a ready-to-go repro case, I've put it here: > > https://www.uplinklabs.net/files/lto-65828.tar.xz > > Should just be able to run something like: > > $ /usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/lto1 -quiet -dumpdir .libs/ > -dumpbase libglib-2.0.so.0.4400.0.wpa -mtune=generic -march=x86-64 > -mtune=generic -march=x86-64 -auxbase libglib_2_0_la-gallocator -O2 -O2 > -version -fno-trapv -fPIC > -fltrans-output-list=libglib-2.0.so.0.4400.0.ltrans.out -fwpa > -fresolution=libglib-2.0.so.res @ccWGeoup.args > > from inside the extracted directory and see the issue. I just run it with gcc-5.2.0 and I got the following error: ./repro.sh + /home/vitti/local/gcc-5.2.0/libexec/gcc/x86_64-unknown-linux-gnu/5.2.0/lto1 -quiet -dumpdir .libs/ -dumpbase libglib-2.0.so.0.4400.0.wpa -mtune=generic -march=x86-64 -mtune=generic -march=x86-64 -auxbase libglib_2_0_la-gallocator -O2 -O2 -version -fno-trapv -fPIC -fltrans-output-list=libglib-2.0.so.0.4400.0.ltrans.out -fwpa -fresolution=libglib-2.0.so.res @ccWGeoup.args GNU GIMPLE (GCC) version 5.2.0 (x86_64-unknown-linux-gnu) compiled by GNU C version 5.2.0, GMP version 6.0.0, MPFR version 3.1.2, MPC version 1.0.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU GIMPLE (GCC) version 5.2.0 (x86_64-unknown-linux-gnu) compiled by GNU C version 5.2.0, GMP version 6.0.0, MPFR version 3.1.2, MPC version 1.0.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 lto1: fatal error: bytecode stream generated with LTO version 3.0 instead of the expected 4.0 compilation terminated.