The following compilation error is thrown if a platform
does not have sparkplug implanted:

error: code will never be executed

Change-Id: Ifbf2162ec9580f86620ca2bfd1007d96da2a4138
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2992889
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75455}