New posts in Undefined Behavior

Why can't the C compiler optimize changing the value of a const pointer assuming that two pointers to the same variable would be illegal/UB?

Undefined Behaviour in C99 related to adjusted parameters

Is modifying the internal bytes of a const object undefined behavior in case it contains another object constructed by placement new?

When NULL is not all-zero-bits, is an all-zero-bit pointer value also 'false'?

Why is dereferencing of nullptr while using a static method not undefined behaviour in C++?

"is not required" == undefined behavior?

Is it valid to pass the address of a non-array variable to a function parameter declared as `Type ptr[static 1]`?

Is accessing an element of a multidimensional array out of bounds undefined behavior?

In practice, why would different compilers compute different values of int x = ++i + ++i;?

why does long long 2147483647 + 1 = -2147483648?