Fix fallthrough example macro to work with very old gcc versions #681
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To deal with old gcc versions that do not have `__has_attribute`, the gcc manual suggest using this form. See https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005fattribute.html Signed-off-by: Lukas Backström (FKA Larsson) <[email protected]>
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To deal with old gcc versions that do not have
__has_attribute, the gcc manual suggest using this form.See https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005fattribute.html