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New posts in undefined-behavior

Is assigning a number too big to be represented in a bit field undefined behaviour

c segmentation-fault undefined-behavior bit-fields

Storing Zero-Sized type instance into a null pointer

pointers rust undefined-behavior unsafe

Can clang warn about undefined behavior at compile-time?

c++ clang undefined-behavior

Members wrongly initialized in nested aggregate? (MSVC)

c++ visual-c++ c++20 undefined-behavior

Are you allowed to copy a pointer and call delete on the copy?

c++ undefined-behavior delete-operator

Is using the address of an uninitialized variable UB? [duplicate]

c printf undefined-behavior variadic-functions

Is converting from unsigned char to signed char and vice versa in C89 well defined?

c undefined-behavior c89

Anomalous behavior (or possible bug) in JColorChooser

java swing undefined-behavior cmyk jcolorchooser

Does offsetof require pointer derefence?

c++ c macros undefined-behavior offsetof

Is int a = ++i + ++i undefined behaviour?

c++ c++17 language-lawyer undefined-behavior sequencing

Why is that for a pointer *p, p[0] is the address stored at p and p[1] is the address of p itself?

c pointers printf undefined-behavior dereference

reinterpret_cast to span of wrappers

c++ undefined-behavior clang++ reinterpret-cast

Can an integer type with no padding bits have a non-value representation?

c gcc language-lawyer undefined-behavior

How do I create and use a stack-allocated struct ending with a C99 flexible array member in C++ without undefined behaviour?

c++ undefined-behavior c++23 flexible-array-member stack-allocation

C output changed by adding a printf

c debugging printf undefined-behavior

Why don't define some undefined behaviours?

c++ undefined-behavior

Is not catching an exception undefined behavior?

c++ exception language-lawyer destructor undefined-behavior

Undefined behavior when constexpr-evaluating negative bitshift?

c++ undefined-behavior bit-shift constexpr

Is using std::span into an std::vector after push_back is called undefined behavior

c++ vector undefined-behavior ownership-semantics std-span

How to access an object representation according to the c++ standard?

c++ pointers object language-lawyer undefined-behavior
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