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RBIMPL_UNREACHABLE_RETURN: evaluate the argument

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Prevent casual typos inside of UNREACHABLE_RETURN(...).
This commit is contained in:
卜部昌平 2020-06-24 16:19:55 +09:00
parent bacd03ebdf
commit c8dc2bf140
Notes: git 2020-06-29 11:06:33 +09:00 
Merged: https://github.com/ruby/ruby/pull/3247
1 changed files with 1 additions and 1 deletions
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include/ruby/internal/assume.h
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@ -42,7 +42,7 @@
/** Wraps (or simulates) `__builtin_unreachable`. */
#if RBIMPL_HAS_BUILTIN(__builtin_unreachable)
# define RBIMPL_UNREACHABLE_RETURN(_) __builtin_unreachable()
# define RBIMPL_UNREACHABLE_RETURN(_) (__builtin_unreachable(), (_))
#elif defined(RBIMPL_HAVE___ASSUME)
# define RBIMPL_UNREACHABLE_RETURN(_) return (__assume(0), (_))