http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58862
--- Comment #23 from Teresa Johnson <tejohnson at google dot com> --- On Tue, Nov 12, 2013 at 11:06 AM, ubizjak at gmail dot com <gcc-bugzi...@gcc.gnu.org> wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58862 > > --- Comment #22 from Uroš Bizjak <ubizjak at gmail dot com> --- > (In reply to Teresa Johnson from comment #19) > >> Since this was blocking my SPEC testing I took a look. The issue is >> that the new edge_count variable is declared as an int and is >> overflowing. It should be gcov_type. Here is the patch that fixed the >> bzip2 failure. I will run regression and lto bootstrap testing on it: > > You will need additional patch to libiberty to push the lto-profiledbootstrap > further. > > Unfortunately, the lto profiledbootstrap will later die in stagefeedback with: > > /ssd/uros/gcc-build-profiled/./prev-gcc/xgcc > -B/ssd/uros/gcc-build-profiled/./prev-gcc/ > -B/usr/local/x86_64-unknown-linux-gnu/bin/ > -B/usr/local/x86_64-unknown-linux-gnu/bin/ > -B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem > /usr/local/x86_64-unknown-linux-gnu/include -isystem > /usr/local/x86_64-unknown-linux-gnu/sys-include -c -DHAVE_CONFIG_H -g -O2 > -flto=jobserver -frandom-seed=1 -fprofile-use -I. > -I/home/uros/gcc-svn/trunk/libiberty/../include -W -Wall -Wwrite-strings > -Wc++-compat -Wstrict-prototypes -pedantic -fpic > /home/uros/gcc-svn/trunk/libiberty/pex-unix.c -o pic/pex-unix.o; \ > else true; fi > if [ x"-fpic" != x ]; then \ > /home/uros/gcc-svn/trunk/libiberty/pex-unix.c:790:1: error: Missing counts for > called function pex_child_error.isra.1/75 > } > ^ > gmake[3]: *** [pex-unix.o] Error 1 > gmake[3]: *** Waiting for unfinished jobs.... > gmake[2]: *** [all-stagefeedback-libiberty] Error 2 > gmake[2]: *** Waiting for unfinished jobs.... > gmake[2]: Leaving directory `/ssd/uros/gcc-build-profiled' > gmake[1]: *** [stagefeedback-bubble] Error 2 > gmake[1]: Leaving directory `/ssd/uros/gcc-build-profiled' > gmake: *** [profiledbootstrap] Error 2 Yep, I just hit this myself while testing the badness overflow fix. It is due to my own patch and I just sent a fix to gcc-patches for it - this should be made into a warning for now. Teresa > > -- > You are receiving this mail because: > You are on the CC list for the bug.
