Index: docs/LangRef.rst =================================================================== --- docs/LangRef.rst +++ docs/LangRef.rst @@ -7573,8 +7573,10 @@ 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