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New posts in language-lawyer

Is it technically UB to static_cast<A*>(memmove(dst, (void*)src, sizeof(src))) since C++20?

c++ language-lawyer c++20 undefined-behavior lifetime

Can I return pointer to VLA?

c arrays pointers language-lawyer c11

Is it not necessary to result in UB when using a glvalue of type char to access an object of another type

c++ language-lawyer

Why can't you define a class or function in a non-enclosing scope?

c++ language-lawyer c++23

End of object lifetime if its storage is partially reused

c++ language-lawyer c++20 lifetime

Difference in overload selection of user-defined conversion operator between clang and gcc

c++ c++17 language-lawyer

What is the exact quote from the C++ Standard that states that type deduction failure on template argument deduction is not an error (SFINAE)? [duplicate]

c++ language-lawyer sfinae template-argument-deduction type-deduction

May a vendor add functions in a standard library header file without #including other headers?

c++ language-lawyer

Discrepancy with decltype on static member-function

c++ language-lawyer c++20

Is GCC miscompiling this code, or is it UB?

c++ gcc language-lawyer

Asynchronous replies in UML sequence diagrams (async/await pattern)

asynchronous language-lawyer uml sequence-diagram

Does undefined behavior only concern an execution of program, or can it concern a program itself?

c++ language-lawyer undefined-behavior

Moving a unique pointer - undefined behavior on cppreference?

c++ language-lawyer unique-ptr move-semantics

Is alignof(T*) is the same for all possible types? What about sizeof(T*)?

c++ pointers language-lawyer sizeof alignof

Clang and GCC disagree on whether overloaded function templates are ambiguous

c++ c++11 language-lawyer

Are int main() and int main(void) equivalent prototypes in C23?

c language-lawyer function-prototypes c23

Pointer arithmetic across subobject boundaries

c++ pointers c++11 language-lawyer pointer-arithmetic

Can I "over-extend" an array by allocating more space to the enclosing struct?

c arrays language-lawyer undefined-behavior flexible-array-member

constexpr general confusion

c++ language-lawyer constexpr compile-time-constant constant-expression

void* ptr = &func; compiles with msvc without any diagnostic but both gcc and clang rejects it

c++ pointers language-lawyer function-pointers pointer-conversion
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