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Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/[email protected]>


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-aarch64-ubuntu-clang` 
running on `bolt-worker-aarch64` while building `clang-tools-extra,clang` at 
step 5 "build-clang-bolt".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/128/builds/10183

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

```
Step 5 (build-clang-bolt) failure: build (failure)
...
29.648 [7/3/3374] Linking CXX static library lib/libclangDriver.a
29.741 [6/3/3375] Linking CXX static library lib/libclangCrossTU.a
30.375 [5/3/3376] Linking CXX static library lib/libclangStaticAnalyzerCore.a
30.667 [4/3/3377] Linking CXX static library lib/libclangCodeGen.a
30.993 [4/2/3378] Building CXX object 
tools/clang/lib/StaticAnalyzer/Frontend/CMakeFiles/obj.clangStaticAnalyzerFrontend.dir/CheckerRegistry.cpp.o
31.268 [4/1/3379] Linking CXX static library 
lib/libclangStaticAnalyzerCheckers.a
31.353 [3/1/3380] Linking CXX static library 
lib/libclangStaticAnalyzerFrontend.a
31.424 [2/1/3381] Linking CXX static library lib/libclangFrontendTool.a
32.293 [1/1/3382] Linking CXX executable bin/clang-23
427.770 [0/1/3383] Creating executable symlink bin/clang
FAILED: bin/clang 
/usr/bin/cmake -E cmake_symlink_executable bin/clang-23 bin/clang && cd 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver
 && /usr/bin/cmake -E create_symlink clang-23 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/clang++ && cd 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver
 && /usr/bin/cmake -E create_symlink clang-23 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/clang-cl && cd 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver
 && /usr/bin/cmake -E create_symlink clang-23 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/clang-cpp && cd 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver
 && /usr/bin/python3 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/llvm-project/clang/tools/driver/../../utils/perf-training/perf-helper.py
 bolt-optimize --method INSTRUMENT --input 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/clang-23 
--instrumented-output 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/clang-bolt.inst 
--fdata 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver/../../utils/perf-training/prof.fdata
 --perf-training-binary-dir 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver/../../utils/perf-training
 --readelf 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/llvm-readobj 
--bolt /home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/llvm-bolt 
--lit /home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/llvm-lit 
--merge-fdata 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/merge-fdata
Running: /home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/llvm-bolt 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/bin/clang-23 -o 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/./bin/clang-bolt.inst 
-instrument --instrumentation-file-append-pid 
--instrumentation-file=/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver/../../utils/perf-training/prof.fdata
BOLT-INFO: shared object or position-independent executable detected
BOLT-INFO: Target architecture: aarch64
BOLT-INFO: BOLT version: <unknown>
BOLT-INFO: first alloc address is 0x0
BOLT-INFO: creating new program header table at address 0x8e00000, offset 
0x8e00000
BOLT-INFO: enabling relocation mode
BOLT-INFO: forcing -jump-tables=move for instrumentation
BOLT-INFO: PointerAuthCFIAnalyzer ran on 2 functions. Ignored 0 functions 
(0.00%) because of CFI inconsistencies
BOLT-INFO: number of removed linker-inserted veneers: 0
BOLT-INFO: 0 out of 158036 functions in the binary (0.0%) have non-empty 
execution profile
BOLT-INSTRUMENTER: Number of indirect call site descriptors: 62143
BOLT-INSTRUMENTER: Number of indirect call target descriptors: 155800
BOLT-INSTRUMENTER: Number of function descriptors: 155778
BOLT-INSTRUMENTER: Number of branch counters: 2049297
BOLT-INSTRUMENTER: Number of ST leaf node counters: 1043131
BOLT-INSTRUMENTER: Number of direct call counters: 0
BOLT-INSTRUMENTER: Total number of counters: 3092428
BOLT-INSTRUMENTER: Total size of counters: 24739424 bytes (static alloc memory)
BOLT-INSTRUMENTER: Total size of string table emitted: 16365904 bytes in file
BOLT-INSTRUMENTER: Total size of descriptors: 228766452 bytes in file
BOLT-INSTRUMENTER: Profile will be saved to file 
/home/buildbot/workspace/bolt-aarch64-ubuntu-clang/build/tools/clang/tools/driver/../../utils/perf-training/prof.fdata
BOLT-INFO: removed 20787 empty blocks
BOLT-INFO: merged 6 duplicate CFG edges
BOLT-INFO: Starting stub-insertion pass
BOLT-INFO: Inserted 1507 stubs in the hot area and 0 stubs in the cold area. 
Shared 187641 times, iterated 4 times.
BOLT-INFO: rewritten pac-ret DWARF info in 2 out of 158339 functions (0.00%).
BOLT-INFO: padding code to 0x13800000 to accommodate hot text
BOLT-INFO: output linked against instrumentation runtime library, lib entry 
point is 0x165088d0
BOLT-INFO: clear procedure is 0x16507550
BOLT-INFO: patched build-id (flipped last bit)
BOLT-INFO: setting __bolt_runtime_start to 0x165088d0
BOLT-INFO: setting __bolt_runtime_fini to 0x16508964
BOLT-INFO: setting __hot_start to 0x9000000
BOLT-INFO: setting __hot_end to 0x13658978
BOLT-INFO: runtime library finalization was hooked via DT_FINI, set to 
0x16508964
BOLT-INFO: runtime library initialization was hooked via ELF Header Entry 
Point, set to 0x165088d0

```

</details>

https://github.com/llvm/llvm-project/pull/168704
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