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| -rw-r--r-- | docs/ReleaseNotes.rst | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index c44acc734b..fc91228786 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -390,8 +390,15 @@ The following methods have been added: - ... -Significant Known Problems -========================== +libc++ Changes +============== +Users that wish to link together translation units built with different +versions of libc++'s headers into the same final linked image should define the +`_LIBCPP_HIDE_FROM_ABI_PER_TU` macro to `1` when building those translation +units. In a future release, not defining `_LIBCPP_HIDE_FROM_ABI_PER_TU` to `1` +and linking translation units built with different versions of libc++'s headers +together may lead to ODR violations and ABI issues. + Additional Information ====================== |