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New posts in undefined-behavior

Is it expected that a too large bitshift is undefined behavior in Rust?

rust undefined-behavior bit-shift

Can you violate ODR with structured bindings on a class type

c++ undefined-behavior one-definition-rule c++17 structured-bindings

Does this program with bounded recursion have undefined behavior?

c++ recursion c++17 undefined-behavior

Is (a=1)=2 undefined behaviour in C++98?

c++ language-lawyer undefined-behavior c++98 sequence-points

How do I force a warning from using an array of wrong size when passed to function?

arrays c casting language-lawyer undefined-behavior

unsigned integer addition and undefined behavior in C90

c standards undefined-behavior unsigned-integer c89

Does this avoid UB

c language-lawyer undefined-behavior

std::sort - is passing a faulty comparator undefined behavior?

c++ stl undefined-behavior

When are type-punned pointers safe in practice?

c++ undefined-behavior strict-aliasing

About aligned storage and trivially copyable/destructible types

c++ language-lawyer c++17 undefined-behavior

C++ Union Member Access And Undefined Behaviour

c++ language-lawyer undefined-behavior unions

Is modifying an object more than once in an expression through its name and through its reference well-defined?

c++ reference c++17 undefined-behavior

Implicit declaration in C

c c99 undefined-behavior language-lawyer implicit-declaration

Is casting a struct T* to a struct C* undefined behavior, if T's first field is a C?

c undefined-behavior speex

Is this C++ member initialization behavior well defined?

c++ constructor initialization undefined-behavior default-constructor

Undefined behaviour in repeated use of prefix ++ operator

c++ c++11 undefined-behavior c++17

What are the reasons that extending the std namespace is considered undefined behavior?

c++ undefined-behavior c++-standard-library

C++ postfix expression undefined vs unspecified behaviour

c++ language-lawyer c++14 undefined-behavior operator-precedence

Is it legal to call memcpy with zero length on a pointer just past the end of an array?

c pointers language-lawyer undefined-behavior

With std::vector, why is &vec[0] undefined behavior, but vec.data() safe?

c++ arrays c++11 vector undefined-behavior
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