PR middle-end/60482
	* tree-vrp.c (register_edge_assert_for_1): Don't add assert
	if there are multiple uses, but op doesn't live on E edge.
	* tree-cfg.c (assert_unreachable_fallthru_edge_p): Also ignore
	clobber stmts before __builtin_unreachable.

	* gcc.dg/vect/pr60482.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208506 138bc75d-0d04-0410-961f-82ee72b054a4
	PR tree-optimization/60502
	* tree-ssa-reassoc.c (eliminate_not_pairs): Use build_all_ones_cst
	instead of build_low_bits_mask.

	* gcc.c-torture/compile/pr60502.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208507 138bc75d-0d04-0410-961f-82ee72b054a4