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730bb88bee556aa11fa19aa33e1434cb6fa78985 by Evan Brown <ezb@google.com>:
Support missing allocator-related constructors in b-tree. See [reference](https://en.cppreference.com/w/cpp/container/set/set).
Also use allocator_traits::select_on_container_copy_construction() to get allocator for copy construction.
PiperOrigin-RevId: 339058322
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b6cc121689ae3e452d1db2d66122cb198d25142b by Derek Mauro <dmauro@google.com>:
Fix more sign-compare warnings
PiperOrigin-RevId: 339057920
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0e2c62da1dcaf6529abab952bdcc96c6de2d9506 by Abseil Team <absl-team@google.com>:
Add missing <limits> include
PiperOrigin-RevId: 339054753
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d5a9ec2d1e40fe6359e720942e4955009ee415ec by Derek Mauro <dmauro@google.com>:
Stop disabling sign-compare warnings for non-test targets.
Our users complain about these.
This does not catch issues in header-only libraries (like btree.h)
but we may work on those in the future
PiperOrigin-RevId: 338967089
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0c062c542a4c61ea0f65d25811827c0858e3adde by Abseil Team <absl-team@google.com>:
Improve cache-locality for ThreadIdentity and PerThreadSynch.
This is a change based on an observation in RPC benchmarks that shows
significant cycles being spent in waking up a thread, 99.8% of which
was on cache misses. Investigating this a bit more, it turns out to
be due to sharing the cache line with the waiter state.
To fix this issue, the following changes are introduced:
- Reorder fields in PerThreadSync so that it fits in a single cache line
The size of this structure was 80 bytes before this change.
Note: Manually inspected all booleans to make sure they are not modified by
multiple threads concurrently.
PiperOrigin-RevId: 338852058
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a90d6f2b2346385017e32dd8ae1b5ca691a5863f by Derek Mauro <dmauro@google.com>:
Delete GCC 4.9 test script. It is no longer supported
PiperOrigin-RevId: 338779452
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7274008d4757e88869110be9db39d03d911ae2b5 by Abseil Team <absl-team@google.com>:
Fix the usage example in which SetFlag should take a pointer.
PiperOrigin-RevId: 338744529
GitOrigin-RevId: 730bb88bee556aa11fa19aa33e1434cb6fa78985
Change-Id: Iff99594c4022e60e482a392d334b376c7ae8883e
Abseil Team
5bf048b842