New posts in undefined-behavior

new() without delete() is Undefined Behavior or merely Memory Leak? [duplicate]

c++ memory-leaks new-operator undefined-behavior

Why is locking a std::mutex twice 'Undefined Behaviour'?

c++ c++11 mutex undefined-behavior

C - function returning a pointer to a local variable

c undefined-behavior

Sequence points and side effects in C

c undefined-behavior sequence-points

Undefined behavior causing time travel

c++ undefined-behavior

Is infinite loop still undefined behavior in C++ if it calls shared library?

c++ infinite-loop undefined-behavior

The behaviour of floating point division by zero

c++ floating-point language-lawyer undefined-behavior divide-by-zero

Why are arguments which do not match the conversion specifier in printf undefined behavior?

c++ c printf undefined-behavior

Arithmetic right shift gives bogus result?

c++ gcc undefined-behavior bit-shift

Why would code explicitly call a static method via a null pointer?

c++ pointers static-members undefined-behavior dereference

Is while(1); undefined behavior in C?

c infinite-loop undefined-behavior

Does a[a[0]] = 1 produce undefined behavior?

c language-lawyer c99 undefined-behavior

Why does this implementation of strlen() work?

c undefined-behavior

Why is a = (a+b) - (b=a) a bad choice for swapping two integers?

c++ c swap undefined-behavior sequence-points

Is ++x %= 10 well-defined in C++?

c++ language-lawyer undefined-behavior evaluation

Unspecified, undefined and implementation defined behavior WIKI for C

c undefined-behavior unspecified-behavior

Signed overflow in C++ and undefined behaviour (UB)

c++ undefined-behavior

Why is this an undefined behavior?

c++ c undefined-behavior

In C++, does initializing a global variable with itself have undefined behaviour?

c++ language-lawyer undefined-behavior

Is there a platform or situation where dereferencing (but not using) a null pointer to make a null reference will behave badly?

c++ reference null undefined-behavior