Put old interface removal behind preview

Signed-off-by: Larsen, Steffen <[email protected]>

Author: steffenlarsen

sycl/include/sycl/queue.hpp

@@ -2747,6 +2747,7 @@ class __SYCL_EXPORT queue : public detail::OwnerLessBase<queue> {
       queue &Q, CommandGroupFunc &&CGF,
       const sycl::detail::code_location &CodeLoc);
 
+#ifndef __INTEL_PREVIEW_BREAKING_CHANGES
   /// TODO: Unused. Remove these when ABI-break window is open.
   event submit_impl(std::function<void(handler &)> CGH,
                     const detail::code_location &CodeLoc);
@@ -2777,6 +2778,7 @@ class __SYCL_EXPORT queue : public detail::OwnerLessBase<queue> {
                                     const detail::code_location &CodeLoc,
                                     const detail::SubmitPostProcessF &PostProcess,
                                     bool IsTopCodeLoc);
+#endif // __INTEL_PREVIEW_BREAKING_CHANGES
 
   /// A template-free versions of submit.
   event submit_with_event_impl(std::function<void(handler &)> CGH,

sycl/source/queue.cpp

@@ -180,6 +180,8 @@ event queue::mem_advise(const void *Ptr, size_t Length, int Advice,
                           /*CallerNeedsEvent=*/true);
 }
 
+#ifndef __INTEL_PREVIEW_BREAKING_CHANGES
+/// TODO: Unused. Remove these when ABI-break window is open.
 event queue::submit_impl(std::function<void(handler &)> CGH,
                          const detail::code_location &CodeLoc) {
   return submit_with_event_impl(CGH, {}, CodeLoc, true);
@@ -238,6 +240,7 @@ event queue::submit_impl_and_postprocess(
   return impl->submit(CGH, impl, SecondQueue.impl, CodeLoc, IsTopCodeLoc,
                       &PostProcess);
 }
+#endif // __INTEL_PREVIEW_BREAKING_CHANGES
 
 event queue::submit_with_event_impl(std::function<void(handler &)> CGH,
                                     const detail::SubmissionInfo &SubmitInfo,