[Bug target/84014] New: ICE in setup_min_max_allocno_live_range_point, at ira-build.c:2762

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84014

            Bug ID: 84014
           Summary: ICE in setup_min_max_allocno_live_range_point, at
                    ira-build.c:2762
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Keywords: ra
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: powerpc-*-linux-gnu, powerpcspe-*-linux-gnu

gcc-8.0.0-alpha20180121 snapshot (r256935) ICEs when compiling the following
snippet w/ -O1 (-O2, -O3, -Ofast, -Os) -fno-split-wide-types:

int
nh (void)
{
}

long long int
si (void)
{
}

int
xf (int fg)
{
  int y5 = nh ();
  fg += !!y5 ? y5 : si ();
  return fg;
}

% powerpc-e300c3-linux-gnu-gcc-8.0.0-alpha20180121 -O1 -fno-split-wide-types -c
hiugcn0b.c
during RTL pass: ira
hiugcn0b.c: In function 'xf':
hiugcn0b.c:17:1: internal compiler error: in
setup_min_max_allocno_live_range_point, at ira-build.c:2762
 }
 ^
0xa39d53 setup_min_max_allocno_live_range_point
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/ira-build.c:2762
0xa39d53 ira_build()
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/ira-build.c:3437
0xa304d6 ira
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/ira.c:5292
0xa304d6 execute
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/ira.c:5603