[lld] [ELF] Decouple SharedFile::isNeeded from GC mark. NFC (PR #190112)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-windows` running on `linaro-armv8-windows-msvc-05` while building `lld` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/141/builds/16906

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: functionalities/data-formatter/data-formatter-advanced/TestDataFormatterAdv.py (379 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-caching/TestDataFormatterCaching.py (380 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-categories/TestDataFormatterCategories.py (381 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-cpp/TestDataFormatterCpp.py (382 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-disabling/TestDataFormatterDisabling.py (383 of 2488)
PASS: lldb-api :: functionalities/completion/TestCompletion.py (384 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-globals/TestDataFormatterGlobals.py (385 of 2488)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-enum-format/TestDataFormatterEnumFormat.py (386 of 2488)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCCF.py (387 of 2488)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCExpr.py (388 of 2488)
FAIL: lldb-api :: functionalities/data-formatter/data-formatter-named-summaries/TestDataFormatterNamedSummaries.py (389 of 2488)
******************** TEST 'lldb-api :: functionalities/data-formatter/data-formatter-named-summaries/TestDataFormatterNamedSummaries.py' FAILED ********************
Script:
--
C:/Users/tcwg/scoop/apps/python/current/python.exe C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/llvm-project/lldb\test\API\dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --env LLVM_INCLUDE_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/include --env LLVM_TOOLS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --arch aarch64 --build-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex --lldb-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-lldb\lldb-api --clang-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-api --executable C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/lldb.exe --compiler C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/clang.exe --dsymutil C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/dsymutil.exe --make C:/Users/tcwg/scoop/shims/make.exe --llvm-tools-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --lldb-obj-root C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb --lldb-libs-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --cmake-build-type Release --skip-category=watchpoint C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\API\functionalities\data-formatter\data-formatter-named-summaries -p TestDataFormatterNamedSummaries.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 23.0.0git (https://github.com/llvm/llvm-project.git revision 2118499a898b514f70fb1754ad8713a4267f7bd3)
  clang revision 2118499a898b514f70fb1754ad8713a4267f7bd3
  llvm revision 2118499a898b514f70fb1754ad8713a4267f7bd3
Skipping the following test categories: watchpoint, libc++, libstdcxx, dwo, dsym, gmodules, debugserver, objc, fork, pexpect


--
Command Output (stderr):
--
UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_with_run_command_dsym (TestDataFormatterNamedSummaries.NamedSummariesDataFormatterTestCase.test_with_run_command_dsym) (test case does not fall in any category of interest for this run) 

FAIL: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_with_run_command_dwarf (TestDataFormatterNamedSummaries.NamedSummariesDataFormatterTestCase.test_with_run_command_dwarf)

Log Files:

 - C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\lldb-test-build.noindex\functionalities\data-formatter\data-formatter-named-summaries\TestDataFormatterNamedSummaries\Failure_test_with_run_command_dwarf.log

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_with_run_command_dwo (TestDataFormatterNamedSummaries.NamedSummariesDataFormatterTestCase.test_with_run_command_dwo) (test case does not fall in any category of interest for this run) 

======================================================================

FAIL: test_with_run_command_dwarf (TestDataFormatterNamedSummaries.NamedSummariesDataFormatterTestCase.test_with_run_command_dwarf)

   Test that that file and class static variables display correctly.

----------------------------------------------------------------------

Traceback (most recent call last):


```

</details>

https://github.com/llvm/llvm-project/pull/190112