[ADT] Teach PointerUnion to support assignment directly from nullptr to
authorChandler Carruth <chandlerc@gmail.com>
Tue, 29 Apr 2014 00:14:27 +0000 (00:14 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Tue, 29 Apr 2014 00:14:27 +0000 (00:14 +0000)
commit4ef6c0908bbadea8b827aaaf0cb51e543bef5f3d
tree168410fb32a21f47f4a225183ad75cee8d872d19
parentb86c32fe3859989447d1b31fbf74b216d32c0405
[ADT] Teach PointerUnion to support assignment directly from nullptr to
clear it out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207471 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/ADT/PointerUnion.h
unittests/ADT/PointerUnionTest.cpp