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New posts in undefined-behavior

Why is dereferencing of nullptr while using a static method not undefined behaviour in C++?

c++ language-lawyer static-methods undefined-behavior null-pointer

Is a goto in alloca's function scope valid?

c c99 undefined-behavior alloca

Why is undefined behaviour allowed in C

c undefined-behavior

GCC fails to report an ill-formed constexpr lambda call

c++ undefined-behavior constexpr avr-gcc

Is unsigned char a[4][5]; a[1][7]; undefined behavior?

c arrays undefined-behavior strict-aliasing

Is `new (this) MyClass();` undefined behaviour after directly calling the destructor?

c++ this undefined-behavior placement-new

This code, why does it have to show undefined behavior?

c++ c++14 language-lawyer undefined-behavior

What is a dangling reference? [duplicate]

c++ reference undefined-behavior

Why is not deleting an object that has a destructor with a side effect undefined behavior in C++11?

c++ memory-leaks c++11 destructor undefined-behavior

Would reinterpreting data be undefined behavior?

c++ undefined-behavior

Getting address of rvalue in C99

c gcc c99 undefined-behavior

Is it safe to return a passed-in temporary value and read from it in the same statement?

c++ scope undefined-behavior

Is the second int in a multiple declaration always set to 1?

c declaration undefined-behavior definition variable-declaration

How do languages handle side effects of compound operators?

javascript c++ c programming-languages undefined-behavior

struct with same name but different member in C++

c++ c++11 undefined-behavior one-definition-rule

read before write is undefined with malloced memory?

c undefined-behavior language-lawyer initialization

If changing a const object is undefined behavior then how do constructors and destructors operate with write access?

c++ constructor constants destructor undefined-behavior

Is it undefined behavior to form a pointer range from a stack address?

c++ c pointers undefined-behavior language-lawyer

Is it an undefined behavior to have different definitions of an inline function?

c++ inline undefined-behavior function-prototypes

Behavior of an expression: Defined or Undefined?

c++ c undefined-behavior sequence-points
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