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AK: Add macro to switch between no_unique_address attribute forms

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Also add an escape hatch for completely disabling the annotation.
This commit is contained in:
Andrew Kaster 2025-04-14 16:10:26 -06:00 • committed by Andrew Kaster
commit 864ddfb55d
Notes: github-actions[bot] 2025-04-15 08:20:20 +00:00
1 changed files with 13 additions and 0 deletions
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13
AK/Platform.h
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@ -247,6 +247,19 @@
# define DISALLOW(message) __attribute__((error(message)))
#endif
#ifdef NO_UNIQUE_ADDRESS
# undef NO_UNIQUE_ADDRESS
#endif
#if defined(AK_DISABLE_NO_UNIQUE_ADDRESS)
# define NO_UNIQUE_ADDRESS
#else
# if defined(AK_OS_WINDOWS)
# define NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
# else
# define NO_UNIQUE_ADDRESS [[no_unique_address]]
# endif
#endif
// GCC doesn't have __has_feature but clang does
#ifndef __has_feature
# define __has_feature(...) 0