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5e45aadfb89e366dedd1fcad5034a76c5c10ad76 by James Y Knight <jyknight@google.com>:
Correct the conditions for std::{optional,variant,any} availability on Apple platforms.
Before XCode 12.5, the availability declarations incorrectly excluded one release on which the features were in fact available. This was corrected in 7fb40e1569
Unfortunately, we cannot simply switch abseil to the corrected versions, as that will cause build failures when using the older XCode toolchain. So, we check the version, and choose the correct set of versions for the toolchain in use.
PiperOrigin-RevId: 407667302
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376fa06cde048e536e9447336b27bebf598ed4ea by Greg Falcon <gfalcon@google.com>:
Cord implementation change: Add a new CordRepCrc node type.
This is an implementation detail that will allow storing expected CRCs alongside cord data. This node is intended only to live at the top of Cord trees.
PiperOrigin-RevId: 407587140
GitOrigin-RevId: 5e45aadfb89e366dedd1fcad5034a76c5c10ad76
Change-Id: Iea3ca001c0cbb4deec8286b5581b30dc172a9918
Abseil Team