[New-bugs-announce] [issue41617] __builtin_bswap16 is used without checking it is supported

[Joshua Root]

New submission from Joshua Root <josh+python at root.id.au>:

Older clang versions don't have __builtin_bswap16, but it's always used when compiling with clang, which means the build fails with those older versions. The code should use __has_builtin to check.

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components: Build
messages: 375806
nosy: jmr
priority: normal
severity: normal
status: open
title: __builtin_bswap16 is used without checking it is supported
type: compile error
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41617>
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