gcc/c-family/ChangeLog:

	PR c/85931
	* c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when
	sizeof source and destination yields the same value.

gcc/ChangeLog:

	PR c/85931
	* fold-const.c (operand_equal_p): Handle SAVE_EXPR.

gcc/testsuite/ChangeLog:

	PR c/85931
	* gcc.dg/Wstringop-truncation-3.c: New test.

From-SVN: r261515