[ESIMD] private_memory tests sporadically fail

[AlexeySachkov]

pm_access_1/2/3 tests fail on GPU sporadically with the following error message:

LLVM ERROR: Cannot find pointer replacement

They were disabled in intel/llvm-test-suite#277 and intel/llvm-test-suite#282. Failures were encountered in #3748 and #2292. This issue is submitted to track analysis and tests re-enabling

[bader]

More instances of these failures in #3634 and #3718

[DenisBakhvalov]

Yes, the vector backend compiler team is working on it.

[sarnex]

These tests are all enabled and passing.