[llvm-bugs] [Bug 31809] Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606.

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31809

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #17 from Sanjay Patel <spatel+llvm at rotateright.com> ---
Resolving as fixed (although there may now be undefined behavior in the program
that gets silently compiled to something unexpected).

It should be possible to see a compiler analysis remark for this example after:
https://reviews.llvm.org/rL294208

See also related bug 31882.

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