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New posts in undefined-behavior

Fun with uninitialized variables and compiler (GCC)

Is calling std::min on an empty initializer list (and explicitly specifying the type) undefined behavior?

Incrementing a variable used twice in an initializer list - undefined behavior?

Does a memory leak cause undefined behaviour? [duplicate]

Does casting a T pointer to a T' pointer and back yield the original pointer if T' is an incomplete type?

constexpr undefined behaviour

What's the difference in undefined behavior between C++03 and C++11?

Order of evaluation and undefined behaviour

Zero-cost properties with data member syntax

Does int a=1, b=a++; invoke undefined behavior?

Does the ternary operator short circuit in a defined way

Mixing class and struct

Does "undefined behaviour" extend to compile-time?

What is the right way to find the average of two values?

Does the 'offsetof' macro from <stddef.h> invoke undefined behaviour?

Why is locking a std::mutex twice 'Undefined Behaviour'?

Behaviour of arr[i] = i++ and i = i + 1 statements in C and C++

Why does a consteval function allow undefined behavior?

Returning a local partially initialized struct from a function and undefined behavior

When a float variable goes out of the float limits, what happens?