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New posts in undefined-behavior

Member function pointer of forward declared class

Does `printf("%.-1s\n", "foo")` invoke undefined behaviour?

C++ UBSAN produces false positives with derived objects

C - function returning a pointer to a local variable

c undefined-behavior

Undefined Behaviour in C99 related to adjusted parameters

Undefined behaviour on std::prev for transform-view

Is the "laundry" propagated by pointer arithmetic?

Sequence points and side effects in C

Is a misaligned load due to a cast undefined behavior?

Is there a way, in tests, to defend against "correct" results coming out of undefined behavior?

Why in Ruby, a || 1 will throw an error when `a` is undefined, but a = a || 1 will not?

Does this const initialization through const_cast have undefined behaviour?

Is full followed by partial initialization of a subobject undefined behavior?

How to suppress some unsigned-integer-overflow errors from UBsan?

Is `reinterpret_cast`ing between hardware SIMD vector pointer and the corresponding type an undefined behavior?

Infinite loop vs infinite recursion. Are both undefined?

A function declared to return int returns nothing. Is this Undefined Behavior?

What happens when a rep-prefix is attached to a non string instruction?

Is casting to simd-type undefined behaviour in C++? [duplicate]

Sequence point from function call?