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Use unsigned-signed conversion for refs test #1272

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Sep 1, 2024
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Use unsigned-signed conversion for refs test #1272

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4 changes: 2 additions & 2 deletions ctl/shared_ptr.h
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Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,8 @@ incref(size_t* r) noexcept
#ifdef NDEBUG
__atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
#else
size_t refs = __atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
if (refs > ((size_t)-1) >> 1)
ssize_t refs = __atomic_fetch_add(r, 1, __ATOMIC_RELAXED);
if (refs < 0)
__builtin_trap();
#endif
}
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