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New posts in undefined-behavior

Is it undefined behavior to mutate an immutable local variable?

rust immutability undefined-behavior

lambda: should capturing const reference by reference yield undefined behaviour?

c++ lambda c++11 undefined-behavior

Is the right-hand side of an assignment always evaluated before the assignment?

python python-2.7 undefined-behavior operator-precedence

Undefined behaviour of right shift (a >> b) when b is greater than the number of bits in a?

c++ c undefined-behavior bit-shift c++14

Why doesn't the compiler warn you if there is possible Undefined Behaviour?

c++ undefined-behavior

Does joining a member thread accessing other members of its parent class in the parent's destructor result in undefined behavior?

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

Is transmuting bytes to a float safe or might it produce undefined behavior?

floating-point rust undefined-behavior

Is modifying an object through a pointer to const undefined behavior?

c pointers constants language-lawyer undefined-behavior

is bit_cast without compiler support for constexpr memcpy possible?

c++ undefined-behavior constexpr c++20 type-punning

Undefined behaviour with non-virtual destructors - is it a real-world issue?

c++ destructor undefined-behavior

Does Java have undefined behavior like C++ does?

java c++ undefined-behavior side-effects sequence-points

Why am I not getting a segfault error with this simple code?

c arrays pointers segmentation-fault undefined-behavior

Comparing struct pointers, casting away members, and UB

c casting undefined-behavior void-pointers strict-aliasing

Is &array[i] always equivalent to (array + i)? [duplicate]

c pointers language-lawyer undefined-behavior

Can Valgrind catch all sorts of undefined behaviour?

c++ valgrind undefined-behavior

Strange parameter passing - is this safe?

c++ undefined-behavior

Why does increment operation like "a[i] = i++;" result in undefined behavior? [duplicate]

c++ undefined-behavior sequence-points

Why doesn't this for loop stop? [duplicate]

c++ arrays for-loop undefined-behavior

Is this undefined behavior in C? (c=x) + (c==y)

c undefined-behavior

Is there valid "use cases" for Undefined Behaviour?

c++11 undefined-behavior
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