[llvm-bugs] [Bug 25761] clang-cl + boost intrusive = miscompile

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25761

Reid Kleckner <rnk at google.com> changed:

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

--- Comment #3 from Reid Kleckner <rnk at google.com> ---
This is not a Clang bug, this is a boost bug. In
boost/intrusive/detail/parent_from_member.hpp, the implementation of
offset_from_pointer_to_member goes down the #idefs to the #else case, which
subtracts one from the offset to create the off-by-one pointer.

BOOST_INTRUSIVE_MSVC_ABI_PTR_TO_MEMBER should be defined for clang-cl.

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