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libcxxabi/lib
Louis Dionne 2933bf8e79 [libc++abi] Do not export some implementation-detail functions
Summary:
Those functions started being mistakenly exported from the libc++abi
shared library after commit r344152 in 2018. Removing these symbols is
technically an ABI break. However, they are not part of the C++ ABI,
they haven't ever been re-exported from libc++, and they are not
declared in any public header, so it's very unlikely that calls to
these functions exist out there. Also, the functions have reserved
names, so any impacted user would have to have tried really hard
being broken by this removal.

Note that avoiding this kind of problem is exactly why we're now
controlling exported symbols explicitly with a textual list.

Also note that applying the hidden visibility attribute is necessary
because the list of exported symbols is only used on Apple platforms
for the time being.

Reviewers: phosek, mclow.lists, EricWF

Subscribers: christof, jkorous, dexonsmith, libcxx-commits

Tags: #libc

Differential Revision: https://reviews.llvm.org/D68357

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@373602 91177308-0d34-0410-b5e6-96231b3b80d8
5 years ago
..
itanium-base.exp [libc++abi] Do not export some implementation-detail functions 5 years ago
new-delete.exp [libcxxabi] Use an explicit list to export symbols from the dylib 6 years ago
personality-sjlj.exp [libcxxabi] Use an explicit list to export symbols from the dylib 6 years ago
personality-v0.exp [libcxxabi] Use an explicit list to export symbols from the dylib 6 years ago