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New posts in undefined-behavior

Can one element of a tuple reference another?

c++ c++11 tuples undefined-behavior

Is it okay for int** and const int** to alias?

c constants language-lawyer undefined-behavior strict-aliasing

How is gcc optimizing this loop?

c++ gcc g++ compiler-optimization undefined-behavior

Is modifying the internal bytes of a const object undefined behavior in case it contains another object constructed by placement new?

c++ standards undefined-behavior placement-new

How to synchronize multithreaded OpenGL buffer access?

multithreading opengl gpu undefined-behavior vbo

Is it well-defined behavior to modify one element of an array while another thread modifies another element of the same array?

c synchronization pthreads undefined-behavior

Dealing with undefined behavior when using reinterpret_cast in a memory mapping

c++ undefined-behavior reinterpret-cast memory-mapping

TDD: Test member initialization deterministically, given undefined behavior in C++

c++ unit-testing tdd undefined-behavior googletest

Undefined behavior, or: Does Swift have sequence points?

swift undefined-behavior sequence-points

Cast T[][] to T*

c arrays pointers undefined-behavior

Is it safe and defined behavior to transmute between a T and an UnsafeCell<T>?

rust undefined-behavior unsafe

Where is the undefined behavior when using const_cast<>?

c++ undefined-behavior const-cast

Is the 16-bit math in this program invoking undefined behavior?

c++ language-lawyer undefined-behavior msvc14

Using std::launder to get a pointer to an active union member from a pointer to an inactive union member?

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

Comparing two string literals using memcmp

c language-lawyer undefined-behavior string-literals memcmp

Does put_money hold its argument by value or reference?

c++ undefined-behavior iomanip

Comma operator and void expression

c++ c undefined-behavior comma-operator

Is calling a function on a NULL pointer undefined? [duplicate]

c++ undefined-behavior

Can integer division ever over/underflow, assuming the denominator <>0? [duplicate]

c undefined-behavior division integer-division

Is returning a forward-declared structure undefined behavior?

c++ visual-c++ undefined-behavior
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