Export of internal Abseil changes.

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3f04cd3c25a99df91ff913977b8c5b343532db5d by Abseil Team <absl-team@google.com>:

Stricter memory order constraints for CycleClock callback.

PiperOrigin-RevId: 242670115

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216db48375306490f1722a11aaf33080939d9f2f by Abseil Team <absl-team@google.com>:

internal/optional.h: move macro from types/optional.h

ABSL_OPTIONAL_USE_INHERITING_CONSTRUCTORS is only used within this file.
additionally check the macro with #ifdef rather than #if, fixes -Wundef
warning:
'ABSL_OPTIONAL_USE_INHERITING_CONSTRUCTORS' is not defined, evaluates to 0
PiperOrigin-RevId: 242548205

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fbe22e7d8dc5c0b3d43ac26297e97ddbaeab3d39 by Samuel Benzaquen <sbenza@google.com>:

Implement %f natively for any input.
It evaluates the input at runtime and allocates stack space accordingly.

This removes a potential fallback into snprintf, improves performance, and removes all memory allocations in this formatting path.

PiperOrigin-RevId: 242531736

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1458f9ba2a79ef0534e46527cd34770dee54164d by Greg Falcon <gfalcon@google.com>:

Add explicit check for NVCC in compressed_tuple.h.

NVCC claims to be MSVC, but does not implement this MSVC attribute.

PiperOrigin-RevId: 242513453
GitOrigin-RevId: 3f04cd3c25a99df91ff913977b8c5b343532db5d
Change-Id: I0742e8619c5248c7607961113e406486bc0e279b