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291f7ef542f73e4801ab5108014bc02344ef31df by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 437835981
Change-Id: I42fd92e74903894533ac9984d7f622e3ba20f468

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2e8caf1a57c50b518e05b4bca48e4fe1bb19af82 by Andy Getzendanner <durandal@google.com>:

Internal change

PiperOrigin-RevId: 437832673
Change-Id: I61b35089418d01a54cecf161b254b68252bebff3

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b927482ccc399f7e337b60582988b914d9946e4e by Derek Mauro <dmauro@google.com>:

Simplify endian intrinsics for modern compilers

All modern compilers have either __builtin_bswapN (gcc, clang) or
_byteswap_TYPE (MSVC).  The other intrinsic definitions are no longer
necessary.

PiperOrigin-RevId: 437772295
Change-Id: Ifb3d88ba24b9097f87ceb202272b36d2f5e5117f

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b6782a2247a16d5c14706a74ec577c19963d9f97 by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 437373174
Change-Id: I0f77e1780dee90d7a3c32a08d96c4aeb624a57b4

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a53e0c724e37b0b01515a99bd25394b8e21ffdfc by Derek Mauro <dmauro@google.com>:

Unify detection of SSE2 and SSSE3 instruction sets and
include the proper headers

Fix the intrinsic implementation of FastHexToBufferZeroPad16 in
numbers.h which only relies on SSSE3, not SSE 4.2.
https://godbolt.org/z/Pf5bn1Yv9

Closes #639

PiperOrigin-RevId: 437286940
Change-Id: Ic97948399b61b91e9c0bccd09313b795b904d714

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f173f597cb2a75ef2a989f45a496334b85e6f40d by Abseil Team <absl-team@google.com>:

Change assertion function to enable clearer error messages.

PiperOrigin-RevId: 437227057
Change-Id: If420d2f63b51feef6648762f344d5be012cd9c85
GitOrigin-RevId: 291f7ef542f73e4801ab5108014bc02344ef31df