Explicitly state the behavior of inbounds with a null pointer.

See https://llvm.org/bugs/show_bug.cgi?id=31439; this reflects LLVM's
behavior in practice, and should be compatible with C/C++ rules.

Differential Revision: https://reviews.llvm.org/D28026



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295916 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed