c++: devirtualization of array destruction [PR110057]

	PR c++/110057
	PR ipa/83054

gcc/cp/ChangeLog:

	* init.cc (build_vec_delete_1): Devirtualize array destruction.

gcc/testsuite/ChangeLog:

	* g++.dg/warn/pr83054.C: Remove devirtualization warning.
	* g++.dg/lto/pr89335_0.C: Likewise.
	* g++.dg/tree-ssa/devirt-array-destructor-1.C: New test.
	* g++.dg/tree-ssa/devirt-array-destructor-2.C: New test.
	* g++.dg/warn/pr83054-2.C: New test.

Signed-off-by: Ng Yong Xiang <yongxiangng@gmail.com>