Do not skip l2a if the memory reference has unresolved snippet

[a7ehuo]

Do not skip l2a if the memory reference has unresolved snippet.

Fixes: #17240

[a7ehuo]

@0xdaryl May I ask you to review this change? Thank you!

@zl-wang @r30shah fyi

[a7ehuo]

x86-64 macOS failed. Known issue: #6516

32: [  FAILED  ] PortSockTest.poll_functionality_basic (1036 ms)
32: /Users/runner/work/1/s/fvtest/porttest/omrsockTest.cpp:51: Failure
32:       Expected: privateOmrPortLibrary->sock_bind(privateOmrPortLibrary, *serverSocket, serverSockAddr)
32:       Which is: -506
32: To be equal to: 0
32: /Users/runner/work/1/s/fvtest/porttest/omrsockTest.cpp:1259: Failure
32:       Expected: privateOmrPortLibrary->sock_accept(privateOmrPortLibrary, serverSocket, &connectedServerSockAddr, &connectedServerSocket)
32:       Which is: -20
32: To be equal to: 0
32: [  FAILED  ] PortSockTest.poll_functionality_many_sockets (2 ms)
32: [----------] 19 tests from PortSockTest (1045 ms total)
32: 
32: [==========] 246 tests from 21 test cases ran. (205258 ms total)
32: [  PASSED  ] 244 tests.
32: [  FAILED  ] 2 tests, listed below:
32: [  FAILED  ] PortSockTest.poll_functionality_basic
32: [  FAILED  ] PortSockTest.poll_functionality_many_sockets
32: 
32:  2 FAILED TESTS
32:   YOU HAVE 3 DISABLED TESTS
32: 
32: Some textSome text
44/47 Test #32: porttest ............................***Failed  205.49 sec

[0xdaryl]

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