Level Zero V2 `level_zero_event_pool` tests fail with SIGILL when the CFI sanitizer is enabled

[RossBrunton]

Full test output log:

2/3 Test #30: test-adapter-level_zero_event_pool ...........***Exception: Illegal  0.51 sec
Selected platform: [LEVEL_ZERO] Intel(R) oneAPI Unified Runtime over Level-Zero
[==========] Running 16 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 16 tests from EventPoolTest
[ RUN      ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_normal_no_profiling_QUEUE_REGULAR
[       OK ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_normal_no_profiling_QUEUE_REGULAR (0 ms)
[ RUN      ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_no_profiling_QUEUE_REGULAR
[       OK ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_no_profiling_QUEUE_REGULAR (0 ms)
[ RUN      ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_no_profiling_QUEUE_IMMEDIATE
[       OK ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_no_profiling_QUEUE_IMMEDIATE (0 ms)
[ RUN      ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_profiling_QUEUE_IMMEDIATE
[       OK ] EventPoolTest.InvalidDevice/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_counter_profiling_QUEUE_IMMEDIATE (0 ms)
[ RUN      ] EventPoolTest.Basic/Intel_R__oneAPI_Unified_Runtime_over_Level_Zero___Intel_R__Arc_TM__A750_Graphics__ID0ID____V__________________provider_normal_provider_normal_no_profiling_QUEUE_REGULAR

Presumably the exception happens in EventPoolTest.Basic, since it doesn't get to finish.