PR driver/81650
	* calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
	instead of 10??LU, perform unit multiplication in wide_int,
	don't change alloc_object_size_limit if the limit is larger
	than SSIZE_MAX.

	* gcc.dg/pr81650.c: New test.

From-SVN: r250850