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New posts in undefined-behavior

Is casting of infinity to integer undefined?

c++ undefined-behavior

Can we change the value of an object defined with const through pointers?

c constants undefined-behavior

How could pairing new[] with delete possibly lead to memory leak only?

c++ memory-management undefined-behavior

Is there a platform or situation where dereferencing (but not using) a null pointer to make a null reference will behave badly?

c++ reference null undefined-behavior

aligned_storage and strict aliasing

c++ undefined-behavior language-lawyer strict-aliasing type-punning

Is it undefined behaviour to delete a null void* pointer?

c++ undefined-behavior void-pointers language-lawyer null-pointer

When NULL is not all-zero-bits, is an all-zero-bit pointer value also 'false'?

c pointers null language-lawyer undefined-behavior

So why is i = ++i + 1 well-defined in C++11?

c++ c++11 undefined-behavior language-lawyer

What specific hash algorithm does MessageDigest.getInstance("SHA") return?

java cryptography undefined-behavior

Why did this code still work?

c undefined-behavior

What's the best C++ way to multiply unsigned integers modularly safely?

c++ portability undefined-behavior multiplication

Difference between Undefined Behavior and Ill-formed, no diagnostic message required

c++ language-lawyer undefined-behavior

Is this undefined behaviour in C ? If not predict the output logically

c output pass-by-reference undefined-behavior

Is incrementing a pointer to a 0-sized dynamic array undefined?

c++ pointers undefined-behavior dynamic-arrays

Is while(1); undefined behavior in C?

c infinite-loop undefined-behavior

Why is out-of-bounds pointer arithmetic undefined behaviour?

c++ undefined-behavior

Copying structs with uninitialized members

c++ initialization copy-constructor undefined-behavior

"is not required" == undefined behavior?

c++ pointers language-lawyer undefined-behavior comparison-operators

C standard compliant way to access null pointer address?

c language-lawyer undefined-behavior null-pointer

Weird behaviour with class fields when adding to a std::vector

c++ vector stdvector undefined-behavior push-back
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