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Changes imported from Abseil "staging" branch:

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- c01cbbc23470f60e54aa28f88faa49df17d26c9c Add constexpr function for max uint128 to replace global ... by Alex Strelnikov <strel@google.com>
  - 07491549940e51fb6a0c8aad0ce101cb2830ee8e fix __GNUC__ typo in ABSL_ATTRIBUTE_RETURNS_NONNULL test by Abseil Team <absl-team@google.com>
  - 1bc29bafa53c387b0e097856cffb2fb9ce56c331 Remove redundant uint128 function cast expressions. by Alex Strelnikov <strel@google.com>
  - e3dddbd7be9e85e1bac77648af35ddccdba4500e Add ABSL_ATTRIBUTE_RETURNS_NONNULL macro. by Chris Kennelly <ckennelly@google.com>

GitOrigin-RevId: c01cbbc23470f60e54aa28f88faa49df17d26c9c
Change-Id: I7a5f608f58fb53bf013cdf56018f5b39842427fc
This commit is contained in:
Abseil Team 2018-01-12 07:45:05 -08:00 • committed by Derek Mauro
parent c742b72354
commit be40fdf1a8
3 changed files with 38 additions and 25 deletions
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12
absl/base/attributes.h
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@ -281,6 +281,18 @@
#define ABSL_ATTRIBUTE_NO_SANITIZE_CFI
#endif
// ABSL_ATTRIBUTE_RETURNS_NONNULL
//
// Tells the compiler that a particular function never returns a null pointer.
#if ABSL_HAVE_ATTRIBUTE(returns_nonnull) || \
(defined(__GNUC__) && \
(__GNUC__ > 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) && \
!defined(__clang__))
#define ABSL_ATTRIBUTE_RETURNS_NONNULL __attribute__((returns_nonnull))
#else
#define ABSL_ATTRIBUTE_RETURNS_NONNULL
#endif
// ABSL_HAVE_ATTRIBUTE_SECTION
//
// Indicates whether labeled sections are supported. Labeled sections are not