Function unc_vm_vm::libcalls::unc_vm_externref_dec

#[no_mangle]
pub unsafe extern "C" fn unc_vm_externref_dec(externref: VMExternRef)

Implementation of externref decrement

Safety

vmctx must be dereferenceable.

This function must only be called at precise locations, otherwise use-after-free and other serious memory bugs may occur.