https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69960
--- Comment #20 from Daniel Lundin <daniel.lundin.mail at gmail dot com> --- Further info about the "ARM32 port bug". In case you write code like `(uint32_t)&function_pointer` and the port happens to use 32 bit pointers, the non-conforming cast is let through. In case you cast to an integer type of different size in relation to the pointer size (non-portable cast), you first get a warning about that: "warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]", followed by the diagnostic "error: initializer element is not computable at load time". https://godbolt.org/z/xjYvd41qe Correct compiler behavior here is to always give a diagnostic for (uint32_t)&reset_handler not being an acceptable arithmetic constant expression. If that's the same "implementation may accept other forms of constant expressions" bug as originally discussed here or a different bug, I don't know.
