[PATCH] D98798: Produce waring for performing pointer arithmetic on a null pointer.

jamieschmeiser added reviewers: rsmith, efriedma, hfinkel. jamieschmeiser added a comment. Added more reviewers. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D98798/new/ https://reviews.llvm.org/D98798 _

[PATCH] D98798: Produce waring for performing pointer arithmetic on a null pointer.

jamieschmeiser added a comment. I used formatting similar to the existing code, which is not what clang-format is expecting. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D98798/new/ https://reviews.llvm.org/D98798

[PATCH] D98798: Produce waring for performing pointer arithmetic on a null pointer.

jamieschmeiser created this revision. jamieschmeiser added a reviewer: andrew.w.kaylor. jamieschmeiser requested review of this revision. Herald added a project: clang. Test and produce warning for subtracting a pointer from null or subtracting null from a pointer. Reuse existing warning that th