https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64715

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
In
  *r_2(D) = 0;
  _4 = r_2(D) + 4;
  *_4 = 1;
  _6 = *r_2(D);
there are no handled components, so there is no reason not to create
&MEM_REF[r_2, 4].  But it shouldn't be hard to construct similar testcase where
there are fields and we would regress.

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