On Mon, Aug 28, 2017 at 5:02 PM, David Blaikie <dblai...@gmail.com> wrote:
> Feels like this alignment attribute may be a bit of a death trap, then? > Should other uses of the attribute be scrutinized, or could we come up with > a portable way to use it safely? (using a different attribute on different > compilers - sounded like maybe one form worked with MSVC and a different > form worked with GCC? Maybe the attribute could be improved to use those as > appropriate?) > I never was able to reproduce the user issue, so I have very little information. I have a hard time believing that mingw32 gcc miscompiles all alignment attributes. There must have been something funny about our usage of it in ExprConstant.cpp that triggered the bug. In the unlikely case that we hit it again, hopefully the next user that hits the bug will provide more information about what went wrong.
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