New posts in undefined-behavior

Why doesn't vector::clear remove elements from a vector?

c++ stdvector undefined-behavior

Is this undefined C behaviour?

c undefined-behavior

In C99, is f()+g() undefined or merely unspecified?

c c99 undefined-behavior sequence-points unspecified-behavior

So why is i = ++i + 1 well-defined in C++11?

c++ c++11 undefined-behavior language-lawyer

32 bit unsigned multiply on 64 bit causing undefined behavior?

c undefined-behavior

Is copying 2D arrays with "memcpy" technically undefined behaviour?

c++ c multidimensional-array language-lawyer undefined-behavior

Are pointer variables just integers with some operators or are they "symbolic"?

c++ pointers language-lawyer undefined-behavior

Mixing class and struct

c++ class struct undefined-behavior

Does JavaScript have undefined behaviour?

javascript undefined-behavior

What are the common undefined/unspecified behavior for C that you run into? [closed]

c language-lawyer undefined-behavior unspecified-behavior

How do we explain the result of the expression (++x)+(++x)+(++x)?

c++ undefined-behavior operator-precedence

Is masking before unsigned left shift in C/C++ too paranoid?

c++ c language-lawyer undefined-behavior integer-arithmetic

why does long long 2147483647 + 1 = -2147483648? [duplicate]

c++ c undefined-behavior integer-overflow twos-complement

Does not evaluating the expression to which sizeof is applied make it legal to dereference a null or invalid pointer inside sizeof in C++?

c++ language-lawyer sizeof undefined-behavior null-pointer

Near constant time rotate that does not violate the standards

c++ bitwise-operators undefined-behavior constant-time

Why doesn't 'd /= d' throw a division by zero exception when d == 0?

c++ compiler-optimization undefined-behavior division divide-by-zero

A C++ implementation that detects undefined behavior?

c++ undefined-behavior

Program behaving strangely on online IDEs

c++ undefined-behavior integer-overflow

Is it legal for source code containing undefined behavior to crash the compiler?

c++ language-lawyer undefined-behavior

Undefined behavior and sequence points reloaded

c++ undefined-behavior c++-faq sequence-points