[Bug lto/83338] [8 Regression] SPEC CPU2017 510.parest_r ICE

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83338

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
void f(char**p,char**q,long*r){
  for(int i=0;i<1024;i++)
    r[i]=p[i]-q[i];
}

with g++ -O3 on x86_64 also ICEs, let's start with that (I don't have access to
SPEC).