gcc/cp/ChangeLog:

	PR c++/68831
	* init.c (build_delete): Use a warning sentinel to disable
	-Waddress warnings when building the conditional that tests
	if the operand is NULL.

gcc/testsuite/ChangeLog:

	PR c++/68831
	* g++.dg/pr68831.C: New test.

From-SVN: r231798