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New posts in undefined-behavior

Which of the following combinations of post & pre-increment operators have undefined behaviour in C?

Lua - Two local variables with the same name

a = (a + b) - (b = a); C++ vs php

php c++ undefined-behavior

Incrementing a Constant in C++

Re Legacy code : format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long unsigned int’ [-Wformat]

Is comparing two pointers with < undefined behavior if they are both cast to an integer type?

c undefined-behavior

How 'undefined' a race condition can be?

Does explicitly calling destructor result in Undefined Behavior here?

Undocumented behaviour in C# [duplicate]

c# c++ undefined-behavior

Why does this Objective C call appear to hang?

how to use ubsan on gcc (windows 8.1)

Is there a way to distinguish a GUID from just a random number?

Computing the address of an object from the address of one of its member subobject

Destroy-and-regenerate assignment operator: what if I'm careful?

Is accessing members through offsetof well defined?

Is ManuallyDrop<Box<T>> with mem::uninitialized defined behavior?

Code only works if all variables are set to 0 first. UB?

c undefined-behavior