LibJS+AK: Fix integer overflow UB on (any Int32 - -2147483648) #24354
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It wasn't safe to use addition_would_overflow(a, -b) to check if subtraction (a - b) would overflow, since it doesn't cover this case. I don't know why we didn't have subtraction_would_overflow(), so this patch adds it. :^)
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It wasn't safe to use addition_would_overflow(a, -b) to check if subtraction (a - b) would overflow, since it doesn't cover this case.
I don't know why we didn't have subtraction_would_overflow(), so this patch adds it. :^)