llvm-ci wrote:

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

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/186/builds/8957

<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)
...
[4215/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCodeComplete.cpp.o
[4216/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclObjC.cpp.o
[4217/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaChecking.cpp.o
[4218/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprMember.cpp.o
[4219/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFixItUtils.cpp.o
[4220/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclAttr.cpp.o
[4221/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHexagon.cpp.o
[4222/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFunctionEffects.cpp.o
[4223/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprObjC.cpp.o
[4224/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros 
/usr/bin/ccache 
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build0/bin/clang++
 -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS 
-D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS 
-D__STDC_LIMIT_MACROS 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/lib/Sema
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/llvm/include
 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror 
-Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra 
-Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers 
-pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough 
-Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor 
-Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion 
-Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color 
-ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual 
-Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables 
-fno-rtti -UNDEBUG -MD -MT 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -MF 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o.d -o 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -c 
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp:973:15:
 error: variable 'SignatureDecl' set but not used 
[-Werror,-Wunused-but-set-variable]
  973 |     if (auto *SignatureDecl =
      |               ^
1 error generated.
[4225/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
[4226/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[4227/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLoongArch.cpp.o
[4228/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
[4229/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
[4230/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[4231/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaInit.cpp.o
[4232/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLambda.cpp.o
[4233/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMIPS.cpp.o
[4234/5512] Building CXX object 
tools/clang/lib/ASTMatchers/Dynamic/CMakeFiles/obj.clangDynamicASTMatchers.dir/Registry.cpp.o
[4235/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
[4236/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprCXX.cpp.o
[4237/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
ninja: build stopped: subcommand failed.

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


@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@
Step 8 (bootstrap clang) failure: bootstrap clang (failure)
...
[4215/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCodeComplete.cpp.o
[4216/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclObjC.cpp.o
[4217/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaChecking.cpp.o
[4218/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprMember.cpp.o
[4219/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFixItUtils.cpp.o
[4220/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclAttr.cpp.o
[4221/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHexagon.cpp.o
[4222/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFunctionEffects.cpp.o
[4223/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprObjC.cpp.o
[4224/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros 
/usr/bin/ccache 
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build0/bin/clang++
 -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS 
-D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS 
-D__STDC_LIMIT_MACROS 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/lib/Sema
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/include
 
-I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/llvm/include
 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror 
-Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra 
-Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers 
-pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough 
-Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor 
-Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion 
-Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color 
-ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual 
-Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables 
-fno-rtti -UNDEBUG -MD -MT 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -MF 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o.d -o 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -c 
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp:973:15:
 error: variable 'SignatureDecl' set but not used 
[-Werror,-Wunused-but-set-variable]
  973 |     if (auto *SignatureDecl =
      |               ^
1 error generated.
[4225/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
[4226/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[4227/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLoongArch.cpp.o
[4228/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
[4229/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
[4230/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[4231/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaInit.cpp.o
[4232/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLambda.cpp.o
[4233/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMIPS.cpp.o
[4234/5512] Building CXX object 
tools/clang/lib/ASTMatchers/Dynamic/CMakeFiles/obj.clangDynamicASTMatchers.dir/Registry.cpp.o
[4235/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
[4236/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprCXX.cpp.o
[4237/5512] Building CXX object 
tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
ninja: build stopped: subcommand failed.

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




program finished with exit code 2
elapsedTime=534.740751

```

</details>

https://github.com/llvm/llvm-project/pull/137690
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