https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60770
--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
Looking at comment #1 more closely, the problem is not with CCP, which
produces:
q = n_2(D);
q ={v} {CLOBBER};
_6 = q;
return _6;
The problem is during the TODO, in execute_update_addresses_taken, which finds
out that q does not need its address taken anymore, and
/* For var ={v} {CLOBBER}; where var lost
TREE_ADDRESSABLE just remove the stmt. */
Maybe it could instead create an uninitialized ssa_name for var.
