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zend_portability: Use [[fallthrough]] for C23 and C++ #21904

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Merged
TimWolla merged 1 commit into from
Apr 29, 2026
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zend_portability: Use [[fallthrough]] for C23 and C++ #21904

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4 changes: 3 additions & 1 deletion Zend/zend_portability.h
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,9 @@
#endif

/* pseudo fallthrough keyword; */
#if defined(__GNUC__) && __GNUC__ >= 7
#if __STDC_VERSION__ >= 202311L || defined(__cplusplus)
# define ZEND_FALLTHROUGH [[fallthrough]]
#elif defined(__GNUC__) && __GNUC__ >= 7
# define ZEND_FALLTHROUGH __attribute__((__fallthrough__))
#else
# define ZEND_FALLTHROUGH ((void)0)
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