llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux` 
running on `sanitizer-buildbot2` while building `clang` at step 2 "annotate".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/66/builds/28264

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

```
Step 2 (annotate) failure: 'python 
../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py'
 (failure)
...
How to reproduce locally: 
https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild


@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@
@@@BUILD_STEP test standalone compiler-rt@@@
ninja: Entering directory `compiler_rt_build'
ninja: error: loading 'build.ninja': No such file or directory

How to reproduce locally: 
https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild


@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@
@@@BUILD_STEP tsan analyze@@@
    write1 tot 151; size  549; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   8; mov  46; lea   2; cmp  20
    write2 tot 145; size  558; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  47; lea   2; cmp  20
    write4 tot 145; size  558; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  47; lea   2; cmp  20
    write8 tot 145; size  558; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  47; lea   2; cmp  20
     read1 tot 153; size  607; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   8; mov  50; lea   2; cmp  22
     read2 tot 165; size  613; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  51; lea   2; cmp  22
     read4 tot 165; size  613; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  51; lea   2; cmp  22
     read8 tot 165; size  613; rsp 1; push 0; pop 0; call 0; load  7; store  5; 
sh   9; mov  51; lea   2; cmp  22
func_entry tot  30; size   66; rsp 0; push 0; pop 0; call 0; load  4; store  3; 
sh   0; mov   9; lea   2; cmp   1
 func_exit tot  25; size   49; rsp 0; push 0; pop 0; call 0; load  1; store  2; 
sh   0; mov   5; lea   1; cmp   1
LGTM
@@@BUILD_STEP cleanup@@@
./llvm_build0/unittests/Analysis/InlineOrderPlugin.so
./llvm_build0/unittests/Analysis/InlineAdvisorPlugin.so
./llvm_build0/unittests/Passes/Plugins/DoublerPlugin.so
./llvm_build0/unittests/Passes/Plugins/TestPlugin.so
./llvm_build0/unittests/Support/DynamicLibrary/PipSqueak.so
./llvm_build0/unittests/Support/DynamicLibrary/SecondLib.so
./build_default/unittests/Analysis/InlineOrderPlugin.so
./build_default/unittests/Analysis/InlineAdvisorPlugin.so
./build_default/unittests/Passes/Plugins/DoublerPlugin.so
./build_default/unittests/Passes/Plugins/TestPlugin.so
./build_default/unittests/Support/DynamicLibrary/PipSqueak.so
./build_default/unittests/Support/DynamicLibrary/SecondLib.so
3.0M    ./tsan_bin
26M     ./llvm_venv
5.8G    ./llvm-project
6.5G    ./llvm_build0
23G     ./build_default
Step 16 (build standalone compiler-rt) failure: build standalone compiler-rt 
(failure)
...
-- Check for working CXX compiler: 
/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for unwind.h
-- Looking for unwind.h - found
-- Looking for rpc/xdr.h
-- Looking for rpc/xdr.h - not found
-- Performing Test COMPILER_RT_HAS_NO_DEFAULT_CONFIG_FLAG
-- Performing Test COMPILER_RT_HAS_NO_DEFAULT_CONFIG_FLAG - Success
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.3.1")
-- Found zstd: /usr/lib/x86_64-linux-gnu/libzstd.so
-- Found LibXml2: /usr/lib/x86_64-linux-gnu/libxml2.so (found version "2.9.14")
CMake Warning at cmake/Modules/CompilerRTUtils.cmake:335 (message):
  LLVMTestingSupport not found in LLVM_AVAILABLE_LIBS
Call Stack (most recent call first):
  CMakeLists.txt:112 (load_llvm_config)
-- LLVM_MAIN_SRC_DIR: "/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm"
-- Could NOT find Python3 (missing: Interpreter) 
    Reason given by package: 
        Interpreter: Cannot run the interpreter 
"/home/b/sanitizer-x86_64-linux/build/llvm-venv/bin/python"
CMake Warning at CMakeLists.txt:122 (message):
  Python3 not found, using python2 as a fallback


CMake Error at 
/usr/share/cmake-3.31/Modules/FindPackageHandleStandardArgs.cmake:233 (message):
  Could NOT find Python2 (missing: Python2_EXECUTABLE Interpreter)

      Reason given by package: 
          Interpreter: Wrong major version for the interpreter "/bin/python"

Call Stack (most recent call first):
  /usr/share/cmake-3.31/Modules/FindPackageHandleStandardArgs.cmake:603 
(_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.31/Modules/FindPython/Support.cmake:3997 
(find_package_handle_standard_args)
  /usr/share/cmake-3.31/Modules/FindPython2.cmake:467 (include)
  CMakeLists.txt:123 (find_package)
-- Configuring incomplete, errors occurred!

How to reproduce locally: 
https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild




ninja: Entering directory `compiler_rt_build'
ninja: error: loading 'build.ninja': No such file or directory

How to reproduce locally: 
https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild




Step 17 (test standalone compiler-rt) failure: test standalone compiler-rt 
(failure)
@@@BUILD_STEP test standalone compiler-rt@@@
ninja: Entering directory `compiler_rt_build'
ninja: error: loading 'build.ninja': No such file or directory

How to reproduce locally: 
https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild





```

</details>

https://github.com/llvm/llvm-project/pull/187827
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