Daniel Cheng 3dcde736d0 Use __has_attribute to check for __counted_by__ support ...

The initial clang patch to support __counted_by__ was landed and
reverted several times. There are some clang toolchains (e.g. the
Android toolchain) that report themselves as version 18 but do not
support __counted_by__. While it is debatable if Android should be
shipping a pre-release clang, using __has_attribute should be a bit
simpler overall.

Note that this doesn't migrate everything else to use __has_attribute:
while clang has always supported __has_attribute, gcc didn't support
it until a bit later.

2025-02-06 10:17:09 +01:00

2.6 KiB

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