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

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Apr 6 15:47:30 PDT 2016


Sean Silva <chisophugis at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
                 CC|                            |chisophugis at gmail.com
         Resolution|---                         |INVALID

--- Comment #1 from Sean Silva <chisophugis at gmail.com> ---
I believe this is UB: http://stackoverflow.com/a/17979772

`(unsigned char *)(uintptr_t)(a)` should work though.

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