PR middle-end/93829 - bogus -Wstringop-overflow on memcpy of a struct with a pointer member from another with a long string

gcc/testsuite/ChangeLog:

	PR middle-end/93829
	* gcc.dg/Wstringop-overflow-32.c: New test.

gcc/ChangeLog:

	PR middle-end/93829
	* tree-ssa-strlen.c (count_nonzero_bytes): Set the size to that
	  of a pointer in the outermost ADDR_EXPRs.