http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46760
--- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> 2010-12-05 00:51:39 UTC --- With revision 167460, I got [...@gnu-18 gcc]$ /export/build/gnu/gcc-lto/build-x86_64-linux/./prev-gcc/xgcc -B/export/build/gnu/gcc-lto/build-x86_64-linux/./prev-gcc/ -B/usr/gcc-4.6.0/x86_64-unknown-linux-gnu/bin/ -B/usr/gcc-4.6.0/x86_64-unknown-linux-gnu/bin/ -B/usr/gcc-4.6.0/x86_64-unknown-linux-gnu/lib/ -isystem /usr/gcc-4.6.0/x86_64-unknown-linux-gnu/include -isystem /usr/gcc-4.6.0/x86_64-unknown-linux-gnu/sys-include -g -O2 -flto=jobserver -fuse-linker-plugin -frandom-seed=1 -fprofile-use -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -static-libstdc++ -static-libgcc -o build/genchecksum build/genchecksum.o .././libiberty/libiberty.a In function \u2018md5_process_block\u2019: lto1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make: *** [/tmp/cc1Nc0QJ.ltrans0.ltrans.o] Error 1 lto-wrapper: make returned 2 exit status lto-wrapper failedcollect2: ld returned 1 exit status [...@gnu-18 gcc]$