[llvm-bugs] [Bug 27255] NULL-based pointer arithmetic generates ud2

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27255

Reid Kleckner <rnk at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Reid Kleckner <rnk at google.com> ---
I agree with Sanjoy's interpretation of LangRef.

stsp, it looks like we don't support doing pointer arithmetic off of a null
pointer to address data. Sean gave a reasonable source workaround.

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