[llvm] Reland "[llvm-objcopy] Handle SHF_ALLOC relocation sections in relocatable files" (PR #228654)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/38322

<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/recursion/TestValueObjectRecursion.py (713 of 2703)
PASS: lldb-api :: functionalities/rerun/TestRerun.py (714 of 2703)
PASS: lldb-api :: functionalities/tail_call_frames/ambiguous_tail_call_seq2/TestAmbiguousTailCallSeq2.py (715 of 2703)
PASS: lldb-api :: functionalities/tail_call_frames/cross_dso/TestCrossDSOTailCalls.py (716 of 2703)
PASS: lldb-api :: functionalities/stats_api/TestStatisticsAPI.py (717 of 2703)
PASS: lldb-api :: functionalities/statusline/TestStatusline.py (718 of 2703)
PASS: lldb-api :: functionalities/tail_call_frames/cross_object/TestCrossObjectTailCalls.py (719 of 2703)
PASS: lldb-api :: functionalities/tail_call_frames/disambiguate_call_site/TestDisambiguateCallSite.py (720 of 2703)
PASS: lldb-api :: functionalities/stop-on-sharedlibrary-load/TestStopOnSharedlibraryEvents.py (721 of 2703)
XPASS: lldb-api :: functionalities/tail_call_frames/ambiguous_tail_call_seq1/TestAmbiguousTailCallSeq1.py (722 of 2703)
******************** TEST 'lldb-api :: functionalities/tail_call_frames/ambiguous_tail_call_seq1/TestAmbiguousTailCallSeq1.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --triple aarch64-unknown-linux-gnu --build-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb --lldb-python-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/local/lib/python3.10/dist-packages --compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --cmake-build-type Release /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/functionalities/tail_call_frames/ambiguous_tail_call_seq1 -p TestAmbiguousTailCallSeq1.py --timeout 600
--
Exit Code: -6

Command Output (stdout):
--
Skipping the following test categories: libc++, msvcstl, dsym, pdb, gmodules, debugserver, objc

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dsym (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_GNU) (test case does not fall in any category of interest for this run) 
warning: a.out was compiled with optimization - stepping may behave oddly; variables may not be available
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dwarf (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_GNU)
warning: a.out was compiled with optimization - stepping may behave oddly; variables may not be available
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dwo (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_GNU)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dsym (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_V5) (test case does not fall in any category of interest for this run) 
warning: a.out was compiled with optimization - stepping may behave oddly; variables may not be available
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dwarf (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_V5)
warning: a.out was compiled with optimization - stepping may behave oddly; variables may not be available
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_dwo (lldbsuite.test.lldbtest.AmbiguousTailCallSeq1_V5)
----------------------------------------------------------------------
Ran 6 tests in 0.997s

OK (skipped=2)
Skip breakdown (unsupported=2, skipped=0)
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
corrupted double-linked list
Fatal Python error: Aborted

Current thread 0x0000f0ec11d64420 (most recent call first):
  <no Python frame>

Extension modules: lldb.native._lldb (total: 1)

--

```

</details>

https://github.com/llvm/llvm-project/pull/228654