re PR tree-optimization/45059 (error: invalid operands in binary operation, leads to ICE: verify_stmts failed)

	PR tree-optimization/45059
	* tree-ssa-reassoc.c (eliminate_redundant_comparison): Strip useless
	type conversions from newop{1,2}.  Assert t is a comparison and
	newop{1,2} after the stripping are gimple vals.

	* gcc.c-torture/compile/pr45059.c: New test.

From-SVN: r163539