re PR tree-optimization/59745 (internal compiler error: tree check: expected tree that contains 'typed' structure, have '<invalid tree code>' in operand_equal_p, at fold-const.c:2492)

	PR tree-optimization/59745
	* tree-predcom.c (tree_predictive_commoning_loop): Call
	free_affine_expand_cache if giving up because components is NULL.

From-SVN: r206540