[clang] [clang] fix use after free in clang/tools/c-index-test/c-index-test.c (PR #127063)

LLVM Continuous Integration via cfe-commits cfe-commits at lists.llvm.org
Tue Feb 18 23:38:26 PST 2025


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-ppc64le-linux` running on `ppc64le-sanitizer` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/72/builds/8367

<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)
...
[3722/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexer.cpp.o
[3723/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXComment.cpp.o
[3724/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXCursor.cpp.o
[3725/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXString.cpp.o
[3726/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXType.cpp.o
[3727/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Rewrite.cpp.o
[3728/4133] Building CXX object tools/clang/lib/Analysis/plugins/SampleAnalyzer/CMakeFiles/SampleAnalyzerPlugin.dir/MainCallChecker.cpp.o
[3729/4133] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/DiagnosticNames.cpp.o
[3730/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/Options.cpp.o
[3731/4133] Building C object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o
FAILED: tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang -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/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -UNDEBUG -std=gnu89 -MD -MT tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -MF tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o.d -o tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1240:15: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1240 |   const char *b = basename(clang_getCString(source));
      |               ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1367:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1367 |     CXString source = GetCursorSource(Cursor);
      |              ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1468:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1468 |     CXString CursorSource = GetCursorSource(C);
      |              ^
3 errors generated.
[3732/4133] Linking CXX static library lib/libLLVMBinaryFormat.a
[3733/4133] Linking CXX static library lib/libLLVMWindowsDriver.a
[3734/4133] Linking CXX executable bin/llvm-config
[3735/4133] Linking CXX static library lib/libLLVMOrcTargetProcess.a
[3736/4133] Linking CXX static library lib/libLLVMFuzzerCLI.a
[3737/4133] Linking CXX executable bin/llvm-cxxfilt
[3738/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXIndexDataConsumer.cpp.o
[3739/4133] Building CXX object tools/clang/tools/clang-diff/CMakeFiles/clang-diff.dir/ClangDiff.cpp.o
[3740/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexCodeCompletion.cpp.o
[3741/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerOptionHandling/CMakeFiles/CheckerOptionHandlingAnalyzerPlugin.dir/CheckerOptionHandling.cpp.o
[3742/4133] Building CXX object tools/clang/tools/clang-extdef-mapping/CMakeFiles/clang-extdef-mapping.dir/ClangExtDefMapGen.cpp.o
[3743/4133] Building CXX object tools/clang/tools/clang-import-test/CMakeFiles/clang-import-test.dir/clang-import-test.cpp.o
[3744/4133] Building CXX object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/core_main.cpp.o
[3745/4133] Building CXX object tools/clang/tools/clang-repl/CMakeFiles/clang-repl.dir/ClangRepl.cpp.o
[3746/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerDependencyHandling/CMakeFiles/CheckerDependencyHandlingAnalyzerPlugin.dir/CheckerDependencyHandling.cpp.o
[3747/4133] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[3748/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXExtractAPI.cpp.o
[3749/4133] Building CXX object tools/clang/tools/clang-refactor/CMakeFiles/clang-refactor.dir/ClangRefactor.cpp.o
[3750/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/ClangInstallAPI.cpp.o
[3751/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndex.cpp.o
[3752/4133] Building CXX object tools/clang/tools/clang-scan-deps/CMakeFiles/clang-scan-deps.dir/ClangScanDeps.cpp.o
[3753/4133] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
ninja: build stopped: subcommand failed.

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

@@@STEP_FAILURE@@@
Step 8 (build compiler-rt debug) failure: build compiler-rt debug (failure)
...
[3722/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexer.cpp.o
[3723/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXComment.cpp.o
[3724/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXCursor.cpp.o
[3725/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXString.cpp.o
[3726/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXType.cpp.o
[3727/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Rewrite.cpp.o
[3728/4133] Building CXX object tools/clang/lib/Analysis/plugins/SampleAnalyzer/CMakeFiles/SampleAnalyzerPlugin.dir/MainCallChecker.cpp.o
[3729/4133] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/DiagnosticNames.cpp.o
[3730/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/Options.cpp.o
[3731/4133] Building C object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o
FAILED: tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang -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/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -UNDEBUG -std=gnu89 -MD -MT tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -MF tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o.d -o tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1240:15: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1240 |   const char *b = basename(clang_getCString(source));
      |               ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1367:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1367 |     CXString source = GetCursorSource(Cursor);
      |              ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1468:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1468 |     CXString CursorSource = GetCursorSource(C);
      |              ^
3 errors generated.
[3732/4133] Linking CXX static library lib/libLLVMBinaryFormat.a
[3733/4133] Linking CXX static library lib/libLLVMWindowsDriver.a
[3734/4133] Linking CXX executable bin/llvm-config
[3735/4133] Linking CXX static library lib/libLLVMOrcTargetProcess.a
[3736/4133] Linking CXX static library lib/libLLVMFuzzerCLI.a
[3737/4133] Linking CXX executable bin/llvm-cxxfilt
[3738/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXIndexDataConsumer.cpp.o
[3739/4133] Building CXX object tools/clang/tools/clang-diff/CMakeFiles/clang-diff.dir/ClangDiff.cpp.o
[3740/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexCodeCompletion.cpp.o
[3741/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerOptionHandling/CMakeFiles/CheckerOptionHandlingAnalyzerPlugin.dir/CheckerOptionHandling.cpp.o
[3742/4133] Building CXX object tools/clang/tools/clang-extdef-mapping/CMakeFiles/clang-extdef-mapping.dir/ClangExtDefMapGen.cpp.o
[3743/4133] Building CXX object tools/clang/tools/clang-import-test/CMakeFiles/clang-import-test.dir/clang-import-test.cpp.o
[3744/4133] Building CXX object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/core_main.cpp.o
[3745/4133] Building CXX object tools/clang/tools/clang-repl/CMakeFiles/clang-repl.dir/ClangRepl.cpp.o
[3746/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerDependencyHandling/CMakeFiles/CheckerDependencyHandlingAnalyzerPlugin.dir/CheckerDependencyHandling.cpp.o
[3747/4133] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[3748/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXExtractAPI.cpp.o
[3749/4133] Building CXX object tools/clang/tools/clang-refactor/CMakeFiles/clang-refactor.dir/ClangRefactor.cpp.o
[3750/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/ClangInstallAPI.cpp.o
[3751/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndex.cpp.o
[3752/4133] Building CXX object tools/clang/tools/clang-scan-deps/CMakeFiles/clang-scan-deps.dir/ClangScanDeps.cpp.o
[3753/4133] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
ninja: build stopped: subcommand failed.

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

Step 10 (build compiler-rt tsan_debug) failure: build compiler-rt tsan_debug (failure)
...
[3700/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXString.cpp.o
[3701/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXType.cpp.o
[3702/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Indexing.cpp.o
[3703/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Rewrite.cpp.o
[3704/4114] Building CXX object tools/clang/lib/Analysis/plugins/CheckerDependencyHandling/CMakeFiles/CheckerDependencyHandlingAnalyzerPlugin.dir/CheckerDependencyHandling.cpp.o
[3705/4114] Building CXX object tools/clang/lib/Analysis/plugins/CheckerOptionHandling/CMakeFiles/CheckerOptionHandlingAnalyzerPlugin.dir/CheckerOptionHandling.cpp.o
[3706/4114] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/DiagnosticNames.cpp.o
[3707/4114] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/TreeView.cpp.o
[3708/4114] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/Options.cpp.o
[3709/4114] Building C object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o
FAILED: tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang -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/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -UNDEBUG -std=gnu89 -MD -MT tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -MF tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o.d -o tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1240:15: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1240 |   const char *b = basename(clang_getCString(source));
      |               ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1367:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1367 |     CXString source = GetCursorSource(Cursor);
      |              ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1468:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1468 |     CXString CursorSource = GetCursorSource(C);
      |              ^
3 errors generated.
[3710/4114] Linking CXX static library lib/libLLVMBinaryFormat.a
[3711/4114] Linking CXX static library lib/libLLVMWindowsDriver.a
[3712/4114] Linking CXX executable bin/llvm-config
[3713/4114] Linking CXX static library lib/libLLVMOrcTargetProcess.a
[3714/4114] Linking CXX static library lib/libLLVMFuzzerCLI.a
[3715/4114] Linking CXX executable bin/llvm-cxxfilt
[3716/4114] Building CXX object tools/clang/tools/driver/CMakeFiles/clang.dir/cc1_main.cpp.o
[3717/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexHigh.cpp.o
[3718/4114] Building CXX object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/core_main.cpp.o
[3719/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXIndexDataConsumer.cpp.o
[3720/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndex.cpp.o
[3721/4114] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[3722/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXCursor.cpp.o
[3723/4114] Building CXX object tools/clang/tools/clang-diff/CMakeFiles/clang-diff.dir/ClangDiff.cpp.o
[3724/4114] Building CXX object tools/clang/tools/clang-extdef-mapping/CMakeFiles/clang-extdef-mapping.dir/ClangExtDefMapGen.cpp.o
[3725/4114] Building CXX object tools/clang/tools/clang-refactor/CMakeFiles/clang-refactor.dir/ClangRefactor.cpp.o
[3726/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexCodeCompletion.cpp.o
[3727/4114] Building CXX object tools/clang/lib/Analysis/plugins/SampleAnalyzer/CMakeFiles/SampleAnalyzerPlugin.dir/MainCallChecker.cpp.o
[3728/4114] Building CXX object tools/clang/tools/clang-scan-deps/CMakeFiles/clang-scan-deps.dir/ClangScanDeps.cpp.o
[3729/4114] Building CXX object tools/clang/tools/clang-import-test/CMakeFiles/clang-import-test.dir/clang-import-test.cpp.o
[3730/4114] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/ClangInstallAPI.cpp.o
[3731/4114] Building CXX object tools/clang/tools/clang-repl/CMakeFiles/clang-repl.dir/ClangRepl.cpp.o
[3732/4114] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXExtractAPI.cpp.o
[3733/4114] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o
[3734/4114] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
ninja: build stopped: subcommand failed.

Step 11 (build compiler-rt default) failure: build compiler-rt default (failure)
...
[3702/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXStoredDiagnostic.cpp.o
[3703/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXType.cpp.o
[3704/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Rewrite.cpp.o
[3705/4133] Building CXX object tools/clang/lib/Analysis/plugins/SampleAnalyzer/CMakeFiles/SampleAnalyzerPlugin.dir/MainCallChecker.cpp.o
[3706/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerDependencyHandling/CMakeFiles/CheckerDependencyHandlingAnalyzerPlugin.dir/CheckerDependencyHandling.cpp.o
[3707/4133] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/DiagnosticNames.cpp.o
[3708/4133] Building CXX object tools/clang/tools/clang-import-test/CMakeFiles/clang-import-test.dir/clang-import-test.cpp.o
[3709/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/ClangInstallAPI.cpp.o
[3710/4133] Building CXX object tools/clang/tools/clang-installapi/CMakeFiles/clang-installapi.dir/Options.cpp.o
[3711/4133] Building C object tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o
FAILED: tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang -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/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -UNDEBUG -std=gnu89 -MD -MT tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -MF tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o.d -o tools/clang/tools/c-index-test/CMakeFiles/c-index-test.dir/c-index-test.c.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1240:15: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1240 |   const char *b = basename(clang_getCString(source));
      |               ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1367:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1367 |     CXString source = GetCursorSource(Cursor);
      |              ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/clang/tools/c-index-test/c-index-test.c:1468:14: error: mixing declarations and code is a C99 extension [-Werror,-Wdeclaration-after-statement]
 1468 |     CXString CursorSource = GetCursorSource(C);
      |              ^
3 errors generated.
[3712/4133] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[3713/4133] Linking CXX static library lib/libLLVMBinaryFormat.a
[3714/4133] Linking CXX static library lib/libLLVMWindowsDriver.a
[3715/4133] Linking CXX executable bin/llvm-config
[3716/4133] Linking CXX static library lib/libLLVMOrcTargetProcess.a
[3717/4133] Linking CXX static library lib/libLLVMFuzzerCLI.a
[3718/4133] Linking CXX executable bin/llvm-cxxfilt
[3719/4133] Building CXX object tools/clang/lib/Analysis/plugins/CheckerOptionHandling/CMakeFiles/CheckerOptionHandlingAnalyzerPlugin.dir/CheckerOptionHandling.cpp.o
[3720/4133] Building CXX object tools/llvm-profgen/CMakeFiles/llvm-profgen.dir/MissingFrameInferrer.cpp.o
[3721/4133] Building CXX object tools/llvm-cxxdump/CMakeFiles/llvm-cxxdump.dir/llvm-cxxdump.cpp.o
[3722/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexInclusionStack.cpp.o
[3723/4133] Building CXX object tools/llvm-mca/CMakeFiles/llvm-mca.dir/Views/DispatchStatistics.cpp.o
[3724/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXCursor.cpp.o
[3725/4133] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceGlobalVarInitializers.cpp.o
[3726/4133] Building CXX object tools/llvm-microsoft-demangle-fuzzer/CMakeFiles/llvm-microsoft-demangle-fuzzer.dir/llvm-microsoft-demangle-fuzzer.cpp.o
[3727/4133] Building CXX object tools/llvm-diff/lib/CMakeFiles/LLVMDiff.dir/DifferenceEngine.cpp.o
[3728/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/Indexing.cpp.o
[3729/4133] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/Utils.cpp.o
[3730/4133] Building CXX object tools/lto/CMakeFiles/LTO.dir/lto.cpp.o
[3731/4133] Building CXX object tools/clang/tools/clang-refactor/CMakeFiles/clang-refactor.dir/ClangRefactor.cpp.o
[3732/4133] Building CXX object lib/DebugInfo/LogicalView/CMakeFiles/LLVMDebugInfoLogicalView.dir/Readers/LVDWARFReader.cpp.o
[3733/4133] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CXExtractAPI.cpp.o
[3734/4133] Building CXX object tools/llvm-opt-fuzzer/CMakeFiles/llvm-opt-fuzzer.dir/llvm-opt-fuzzer.cpp.o
[3735/4133] Building CXX object lib/DWARFLinker/Parallel/CMakeFiles/LLVMDWARFLinkerParallel.dir/DWARFLinkerCompileUnit.cpp.o
[3736/4133] Building CXX object tools/clang/tools/clang-extdef-mapping/CMakeFiles/clang-extdef-mapping.dir/ClangExtDefMapGen.cpp.o
[3737/4133] Building CXX object tools/clang/tools/clang-diff/CMakeFiles/clang-diff.dir/ClangDiff.cpp.o
[3738/4133] Building CXX object tools/llvm-sim/CMakeFiles/llvm-sim.dir/llvm-sim.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/127063


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