[llvm] [NFCI] [HWASan] add test for custom section global (PR #149625)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-msan` running on `sanitizer-buildbot9` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/9045

<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)
...
[118/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/DiagnosticsYamlTest.cpp.o
[119/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ProfilingTest.cpp.o
[120/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/NamedDeclPrinterTest.cpp.o
[121/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/CastExprTest.cpp.o
[122/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/QualTypeNamesTest.cpp.o
[123/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/StandardLibraryTest.cpp.o
[124/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/LookupTest.cpp.o
[125/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/DeclTest.cpp.o
[126/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/RandstructTest.cpp.o
[127/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o
FAILED: tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o 
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DEXPERIMENTAL_KEY_INSTRUCTIONS -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googletest/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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  -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DEXPERIMENTAL_KEY_INSTRUCTIONS -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googletest/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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 -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp
1.	<eof> parser at end of file
2.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:76:5: instantiating function definition 'llvm::pointer_union_detail::PointerUnionMembers<llvm::PointerUnion<clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>, llvm::PointerIntPair<void *, 1, int, llvm::pointer_union_detail::PointerUnionUIntTraits<clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>>, 0, clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>::PointerUnionMembers'
 #0 0x0000af0b2ea159ac ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4530:13
 #1 0x0000af0b355038c8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:838:7
 #2 0x0000af0b354fdda8 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #3 0x0000af0b3537e4b8 HandleCrash /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5
 #4 0x0000af0b3537e4b8 CrashRecoverySignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51
 #5 0x0000af0b2ea47c40 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:352:37
 #6 0x0000af0b2ea47c40 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1154:1
 #7 0x0000f000157df8f8 (linux-vdso.so.1+0x8f8)
 #8 0x0000f000152a2f7c (/lib/aarch64-linux-gnu/libc.so.6+0xa2f7c)
 #9 0x0000af0b2e9eb09c MsanAllocate(__sanitizer::BufferedStackTrace*, unsigned long, unsigned long, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:227:9
#10 0x0000af0b2e9eb8dc SetErrnoOnNull /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_allocator_checks.h:31:7
#11 0x0000af0b2e9eb8dc __msan::msan_memalign(unsigned long, unsigned long, __sanitizer::BufferedStackTrace*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:398:10
#12 0x0000af0b2ea55c68 operator new(unsigned long, std::align_val_t, std::nothrow_t const&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:70:3
#13 0x0000af0b353e32c4 llvm::allocate_buffer(unsigned long, unsigned long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/MemAlloc.cpp:21:14
#14 0x0000af0b2eb2b034 capacity /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:80:36
#15 0x0000af0b2eb2b034 reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<void *, true> > /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:233:9
#16 0x0000af0b2eb2b034 reserveForParamAndGetAddress /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:538:9
#17 0x0000af0b2eb2b034 push_back /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:563:23
#18 0x0000af0b2eb2b034 StartNewSlab /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:353:11
#19 0x0000af0b2eb2b034 llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::AllocateSlow(unsigned long, unsigned long, llvm::Align) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:203:5
#20 0x0000af0b3aef4030 Stmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1479:21
#21 0x0000af0b3aef4030 CompoundStmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1766:9
#22 0x0000af0b3aef4030 CompoundStmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1763:47
#23 0x0000af0b3aef4030 clang::Sema::DefineInheritingConstructor(clang::SourceLocation, clang::CXXConstructorDecl*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:14397:38
#24 0x0000af0b3b224aec operator() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaExpr.cpp:0:11
#25 0x0000af0b3b224aec void llvm::function_ref<void ()>::callback_fn<clang::Sema::MarkFunctionReferenced(clang::SourceLocation, clang::FunctionDecl*, bool)::$_0>(long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#26 0x0000af0b36a45e04 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/StackExhaustionHandler.cpp:21:1
#27 0x0000af0b3b06c2e0 clang::Sema::MarkFunctionReferenced(clang::SourceLocation, clang::FunctionDecl*, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaExpr.cpp:0:5
#28 0x0000af0b3af025f4 getLangOpts /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Sema/Sema.h:902:51
#29 0x0000af0b3af025f4 clang::Sema::BuildCXXConstructExpr(clang::SourceLocation, clang::QualType, clang::CXXConstructorDecl*, bool, llvm::MutableArrayRef<clang::Expr*>, bool, bool, bool, bool, clang::CXXConstructionKind, clang::SourceRange) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16281:7
#30 0x0000af0b3af02074 BuildCXXConstructExpr /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16262:3
#31 0x0000af0b3af02074 clang::Sema::BuildCXXConstructExpr(clang::SourceLocation, clang::QualType, clang::NamedDecl*, clang::CXXConstructorDecl*, llvm::MutableArrayRef<clang::Expr*>, bool, bool, bool, bool, clang::CXXConstructionKind, clang::SourceRange) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16239:10
Step 14 (stage3/msan check) failure: stage3/msan check (failure)
...
[118/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/DiagnosticsYamlTest.cpp.o
[119/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/ProfilingTest.cpp.o
[120/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/NamedDeclPrinterTest.cpp.o
[121/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/CastExprTest.cpp.o
[122/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/QualTypeNamesTest.cpp.o
[123/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/StandardLibraryTest.cpp.o
[124/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/LookupTest.cpp.o
[125/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/DeclTest.cpp.o
[126/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/AST/RandstructTest.cpp.o
[127/1058] Building CXX object tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o
FAILED: tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o 
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DEXPERIMENTAL_KEY_INSTRUCTIONS -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googletest/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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  -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DEXPERIMENTAL_KEY_INSTRUCTIONS -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googletest/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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 -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -MF tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o.d -o tools/clang/unittests/CMakeFiles/AllClangUnitTests.dir/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/CallbacksLeaf.cpp
1.	<eof> parser at end of file
2.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:76:5: instantiating function definition 'llvm::pointer_union_detail::PointerUnionMembers<llvm::PointerUnion<clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>, llvm::PointerIntPair<void *, 1, int, llvm::pointer_union_detail::PointerUnionUIntTraits<clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>>, 0, clang::FileEntry *, const llvm::StringMapEntry<llvm::ErrorOr<clang::FileEntryRef::MapValue>> *>::PointerUnionMembers'
 #0 0x0000af0b2ea159ac ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4530:13
 #1 0x0000af0b355038c8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:838:7
 #2 0x0000af0b354fdda8 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #3 0x0000af0b3537e4b8 HandleCrash /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5
 #4 0x0000af0b3537e4b8 CrashRecoverySignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51
 #5 0x0000af0b2ea47c40 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:352:37
 #6 0x0000af0b2ea47c40 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1154:1
 #7 0x0000f000157df8f8 (linux-vdso.so.1+0x8f8)
 #8 0x0000f000152a2f7c (/lib/aarch64-linux-gnu/libc.so.6+0xa2f7c)
 #9 0x0000af0b2e9eb09c MsanAllocate(__sanitizer::BufferedStackTrace*, unsigned long, unsigned long, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:227:9
#10 0x0000af0b2e9eb8dc SetErrnoOnNull /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_allocator_checks.h:31:7
#11 0x0000af0b2e9eb8dc __msan::msan_memalign(unsigned long, unsigned long, __sanitizer::BufferedStackTrace*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:398:10
#12 0x0000af0b2ea55c68 operator new(unsigned long, std::align_val_t, std::nothrow_t const&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:70:3
#13 0x0000af0b353e32c4 llvm::allocate_buffer(unsigned long, unsigned long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/MemAlloc.cpp:21:14
#14 0x0000af0b2eb2b034 capacity /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:80:36
#15 0x0000af0b2eb2b034 reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<void *, true> > /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:233:9
#16 0x0000af0b2eb2b034 reserveForParamAndGetAddress /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:538:9
#17 0x0000af0b2eb2b034 push_back /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:563:23
#18 0x0000af0b2eb2b034 StartNewSlab /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:353:11
#19 0x0000af0b2eb2b034 llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::AllocateSlow(unsigned long, unsigned long, llvm::Align) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:203:5
#20 0x0000af0b3aef4030 Stmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1479:21
#21 0x0000af0b3aef4030 CompoundStmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1766:9
#22 0x0000af0b3aef4030 CompoundStmt /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/Stmt.h:1763:47
#23 0x0000af0b3aef4030 clang::Sema::DefineInheritingConstructor(clang::SourceLocation, clang::CXXConstructorDecl*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:14397:38
#24 0x0000af0b3b224aec operator() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaExpr.cpp:0:11
#25 0x0000af0b3b224aec void llvm::function_ref<void ()>::callback_fn<clang::Sema::MarkFunctionReferenced(clang::SourceLocation, clang::FunctionDecl*, bool)::$_0>(long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#26 0x0000af0b36a45e04 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/StackExhaustionHandler.cpp:21:1
#27 0x0000af0b3b06c2e0 clang::Sema::MarkFunctionReferenced(clang::SourceLocation, clang::FunctionDecl*, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaExpr.cpp:0:5
#28 0x0000af0b3af025f4 getLangOpts /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Sema/Sema.h:902:51
#29 0x0000af0b3af025f4 clang::Sema::BuildCXXConstructExpr(clang::SourceLocation, clang::QualType, clang::CXXConstructorDecl*, bool, llvm::MutableArrayRef<clang::Expr*>, bool, bool, bool, bool, clang::CXXConstructionKind, clang::SourceRange) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16281:7
#30 0x0000af0b3af02074 BuildCXXConstructExpr /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16262:3
#31 0x0000af0b3af02074 clang::Sema::BuildCXXConstructExpr(clang::SourceLocation, clang::QualType, clang::NamedDecl*, clang::CXXConstructorDecl*, llvm::MutableArrayRef<clang::Expr*>, bool, bool, bool, bool, clang::CXXConstructionKind, clang::SourceRange) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:16239:10

```

</details>

https://github.com/llvm/llvm-project/pull/149625