[SYCL][COMPAT] Fix using address of a temporary queue_ptr in util.hpp (…

…#14440)

Fixes the path for `x <= 2` in `int_as_queue_ptr`, which was returning
an address to a temporary pointer.

Signed-off-by: Alberto Cabrera <alberto.cabrera@codeplay.com>

sycl/include/syclcompat/util.hpp

@@ -922,7 +922,8 @@ class group : public group_base<dimensions> {
 /// If x <= 2, then return a pointer to the default queue;
 /// otherwise, return x reinterpreted as a queue_ptr.
 inline queue_ptr int_as_queue_ptr(uintptr_t x) {
- return x <= 2 ? &get_default_queue() : reinterpret_cast<queue_ptr>(x);
+ return x <= 2 ? detail::dev_mgr::instance().current_device().default_queue()
+ : reinterpret_cast<queue_ptr>(x);
 }
 
 template <int n_nondefault_params, int n_default_params, typename T>