[PATCH] D12247: [libc++] remove possible trailing padding from aligned_storage

[Eric Fiselier via cfe-commits]

EricWF added a comment.

In http://reviews.llvm.org/D12247#233323, @davidxl wrote:

> We certainly need a fix without breaking ABI. Is there a ABI conformance test for libcxx?


Well this patch definitely breaks the ABI. This was my attempt at fixing the problem in `std::function` that might not be ABI breaking..
https://gist.github.com/EricWF/3a35b140a66d4826a9d0.


http://reviews.llvm.org/D12247