[Bug ipa/58862] [4.9 Regression] LTO profiledbootstrap failure: lto1: ICE in edge_badness, at ipa-inline.c:1008

["ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58862

--- Comment #22 from UroÅ 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