[clang] [clang] Implement pointer authentication for C++ virtual functions, v-tables, and VTTs (PR #94056)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-darwin` running on `doug-worker-3` while building `clang` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/23/builds/407

Here is the relevant piece of the build log for the reference:
```
Step 6 (test-build-unified-tree-check-all) failure: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
******************** TEST 'lld :: COFF/subsystem-inference.test' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: sed -e s/ENTRYNAME/main/ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test | /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/yaml2obj > /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj
+ sed -e s/ENTRYNAME/main/ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/yaml2obj
RUN: at line 2: /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/lld-link /out:/Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/lld-link /out:/Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj
RUN: at line 3: /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/llvm-readobj --file-headers /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe | /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/FileCheck -check-prefix=MAIN /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/llvm-readobj --file-headers /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/FileCheck -check-prefix=MAIN /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
RUN: at line 4: /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/lld-link /out:/Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj /subsystem:default,6.0
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/lld-link /out:/Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj /subsystem:default,6.0
RUN: at line 5: /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/llvm-readobj --file-headers /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe | /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/FileCheck -check-prefix=MAIN /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/llvm-readobj --file-headers /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.exe
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/FileCheck -check-prefix=MAIN /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
RUN: at line 7: sed s/ENTRYNAME/wmain/ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test | /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/yaml2obj > /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj
+ sed s/ENTRYNAME/wmain/ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/llvm-project/lld/test/COFF/subsystem-inference.test
+ /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/bin/yaml2obj
/Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.script: line 6: /Volumes/RAMDisk/buildbot-root/x86_64-darwin/build/tools/lld/test/COFF/Output/subsystem-inference.test.tmp.obj: No space left on device

--

********************


```

https://github.com/llvm/llvm-project/pull/94056