> documentation clearly states that it's UB to violate them
Only in "fast" mode. The developer has the choice:
> Compilation has two modes: “safe” and “fast”. Safe mode will insert checks for out-of-bounds access, null-pointer deref, shifting by negative numbers, division by zero, violation of contracts and asserts.
Only in "fast" mode. The developer has the choice:
> Compilation has two modes: “safe” and “fast”. Safe mode will insert checks for out-of-bounds access, null-pointer deref, shifting by negative numbers, division by zero, violation of contracts and asserts.