[PATCH] D28026: Explicitly state the behavior of inbounds with a null pointer.

[Eli Friedman via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL295916: Explicitly state the behavior of inbounds with a null pointer. (authored by efriedma).

Changed prior to commit:
  https://reviews.llvm.org/D28026?vs=82252&id=89445#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D28026

Files:
  llvm/trunk/docs/LangRef.rst


Index: llvm/trunk/docs/LangRef.rst
===================================================================
--- llvm/trunk/docs/LangRef.rst
+++ llvm/trunk/docs/LangRef.rst
@@ -7734,8 +7734,10 @@
 precise signed arithmetic are not an *in bounds* address of that
 allocated object. The *in bounds* addresses for an allocated object are
 all the addresses that point into the object, plus the address one byte
-past the end. In cases where the base is a vector of pointers the
-``inbounds`` keyword applies to each of the computations element-wise.
+past the end. The only *in bounds* address for a null pointer in the
+default address-space is the null pointer itself. In cases where the
+base is a vector of pointers the ``inbounds`` keyword applies to each
+of the computations element-wise.
 
 If the ``inbounds`` keyword is not present, the offsets are added to the
 base address with silently-wrapping two's complement arithmetic. If the


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