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New posts in undefined-behavior

Does taking address of member variable through a null pointer yield undefined behavior?

Is mem::forget(mem::uninitialized()) defined behavior?

Is it undefined behavior to read and compare padding bytes of a POD type?

Does the confliction between declaration and definition cause undefined behavior?

Is this code really undefined, as Clang seems to indicate?

Why is this simple assignment undefined behaviour?

Assignment operator sequencing in C11 expressions

Array declared as int v[100] but &(v[100]) gives no warning

Rationale of restrictive rules for extract and re-insert with map

Can I use rvalue reference to temporary? Is it undefined behavior or not?

Is Python's bool sorting defined?

C - is an indeterminate value indeterminable?

How much does the C standard library extensibility affect C++ programs?

Is it undefined behavior to exceed translation limits and are there checker tools to find it?

Different results for idiv instruction

Segmentation fault on gcc caused by lambda wrapper over variadic template function call

Is it well-defined behaviour to exit the program before main?

Is this downcasting undefined?

Non-trivial example of undefined behavior with const_cast

c++ undefined-behavior

Are non-terminating constexpr functions well-defined?