[libc++abi] Add option to enable definitions for the new/delete overloads.
Summary:
Currently both libc++ and libc++abi provide definitions for operator new/delete. However I believe this is incorrect and that one or the other should offer them.
This patch adds the CMake option `-DLIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS` which defaults to `OFF` unless otherwise specified. This means that by default
only libc++ provides the new/delete definitions.
Reviewers: mclow.lists, mehdi_amini, dexonsmith, beanz, jroelofs, danalbert, smeenai, rmaprath, mgorny
Reviewed By: mehdi_amini
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D30517
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@296801 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
