New posts in Undefined Behavior

Does an expression with undefined behaviour that is never actually executed make a program erroneous?

Do I need to cast to unsigned char before calling toupper(), tolower(), et al.?

Why is f(i = -1, i = -1) undefined behavior?

Access array beyond the limit in C and C++

Invalid pointer becoming valid again

Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

What's a proper way of type-punning a float to an int and vice-versa?

Is signed integer overflow still undefined behavior in C++?

Does JavaScript have undefined behaviour?

Is Python's bool sorting defined?