[Bug target/84279] New: [8 Regression] powerpc64le ICE on cvc4

["jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84279

            Bug ID: 84279
           Summary: [8 Regression] powerpc64le ICE on cvc4
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jakub at gcc dot gnu.org
  Target Milestone: ---

template <typename, typename T> struct E { T e; };
struct J {
  unsigned k, l;
  J (unsigned x, unsigned y) : k(x), l(y) {}
};
typedef struct A {
  J n, p;
  A ();
  A (J x, J y) : n(x), p(y) {}
} *S;
S t;
struct B {
  struct C {
    S q, r;
    int u, v;
    bool m1 (S, A &);
    J m2 () const;
    J m3 () const;
    A m4 () const;
  };
  typedef E<unsigned, S> D;
  void m5 (D *);
  void m6 (unsigned, A);
};
bool B::C::m1 (S, A &x) { bool o; x = m4 (); return o; }
J B::C::m2 () const { unsigned g (u == 0); unsigned h (v); return J (g, h); }
J B::C::m3 () const { unsigned g (q != t); unsigned h (r != t); return J (g,
h); }
A B::C::m4 () const { return A (m2 (), m3 ()); }
void B::m5 (D *c) { unsigned x; C ar; A am; if (ar.m1 (c->e, am)) m6 (x, am); }

ICEs with -O3 -g -fPIC -fvisibility=hidden -fstack-protector-strong on
powerpc64le-linux.