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New posts in undefined-behavior

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

What does "*((char*)-1) = 'x';" code mean?

c redis undefined-behavior

Can assignment from a const_iterator dereference cause undefined behaviour?

c++ pointers pass-by-reference undefined-behavior const-iterator

Could accessing array element outside boundary corrupt it

c++ arrays undefined-behavior

Writing to a field in a MaybeUninit structure?

rust initialization undefined-behavior unsafe

Is undefined behavior possible in safe Rust?

rust undefined-behavior unsafe standard-library

Undefined Behavior when using Comma Operator in C++

c++ c++11 c++17 undefined-behavior expression-evaluation

What does 'prior value shall be accessed only to determine the value to be stored' mean?

c++ undefined-behavior

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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