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- #ifndef _LINUX_CONST_H
- #define _LINUX_CONST_H
- #include <vdso/const.h>
- /*
- * This returns a constant expression while determining if an argument is
- * a constant expression, most importantly without evaluating the argument.
- * Glory to Martin Uecker <[email protected]>
- */
- #define __is_constexpr(x) \
- (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
- #endif /* _LINUX_CONST_H */
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