tree-scalar-evolution.c (set_nb_iterations_in_loop): Only check for TREE_OVERFLOW on INTEGER_CST trees.


	* tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
	check for TREE_OVERFLOW on INTEGER_CST trees.
	* tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
	CONSTANT_CLASS_P tree nodes.

From-SVN: r99765