[clang] [clang][test] add testing for the AST matcher reference (PR #94248)

Fri Sep 27 04:57:26 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-gcc-ubuntu` running on `sie-linux-worker3` while building `clang` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/174/builds/5922

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
365.198 [1212/34/5633] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/CFGMatchSwitchTest.cpp.o
365.338 [1211/34/5634] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/RangeSetTest.cpp.o
365.542 [1210/34/5635] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/RegisterCustomCheckersTest.cpp.o
366.464 [1209/34/5636] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/DebugSupportTest.cpp.o
366.480 [1208/34/5637] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/SValTest.cpp.o
366.512 [1207/34/5638] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/ASTOpsTest.cpp.o
366.544 [1206/34/5639] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/Z3CrosscheckOracleTest.cpp.o
366.632 [1205/34/5640] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/TestReturnValueUnderConstruction.cpp.o
366.754 [1204/34/5641] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/DeterminismTest.cpp.o
366.858 [1203/34/5642] Generating ASTMatchersDocTests.cpp
FAILED: tools/clang/unittests/ASTMatchers/ASTMatchersDocTests.cpp /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/unittests/ASTMatchers/ASTMatchersDocTests.cpp 
cd /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/unittests/ASTMatchers && /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/utils/generate_ast_matcher_doc_tests.py --input-file /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/include/clang/ASTMatchers/ASTMatchers.h --output-file /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/unittests/ASTMatchers/ASTMatchersDocTests.cpp
Traceback (most recent call last):
  File "/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/utils/generate_ast_matcher_doc_tests.py", line 94, in <module>
    statistics = defaultdict[str, int](int)
TypeError: 'type' object is not subscriptable
367.048 [1203/33/5643] Linking CXX static library lib/libclangTidyBugproneModule.a
367.461 [1203/32/5644] Building CXX object tools/clang/unittests/Analysis/CMakeFiles/ClangAnalysisTests.dir/IntervalPartitionTest.cpp.o
368.586 [1203/31/5645] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/MapLatticeTest.cpp.o
368.799 [1203/30/5646] Building CXX object tools/clang/tools/extra/unittests/clang-tidy/CMakeFiles/ClangTidyTests.dir/TransformerClangTidyCheckTest.cpp.o
369.011 [1203/29/5647] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/ChromiumCheckModelTest.cpp.o
369.210 [1203/28/5648] Building CXX object tools/clang/unittests/Analysis/CMakeFiles/ClangAnalysisTests.dir/ExprMutationAnalyzerTest.cpp.o
369.535 [1203/27/5649] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/LoggerTest.cpp.o
372.858 [1203/26/5650] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/MatchSwitchTest.cpp.o
372.974 [1203/25/5651] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/DataflowEnvironmentTest.cpp.o
374.936 [1203/24/5652] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/RecordOpsTest.cpp.o
376.547 [1203/23/5653] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/SimplifyConstraintsTest.cpp.o
378.305 [1203/22/5654] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/MultiVarConstantPropagationTest.cpp.o
379.291 [1203/21/5655] Building CXX object tools/clang/tools/extra/unittests/clang-tidy/CMakeFiles/ClangTidyTests.dir/OverlappingReplacementsTest.cpp.o
379.386 [1203/20/5656] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/TestingSupport.cpp.o
379.853 [1203/19/5657] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/TransferBranchTest.cpp.o
380.267 [1203/18/5658] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/SignAnalysisTest.cpp.o
380.414 [1203/17/5659] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/IsCLibraryFunctionTest.cpp.o
381.858 [1203/16/5660] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/WatchedLiteralsSolverTest.cpp.o
381.944 [1203/15/5661] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/BugReportInterestingnessTest.cpp.o
382.786 [1203/14/5662] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/TestingSupportTest.cpp.o
382.892 [1203/13/5663] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/CallDescriptionTest.cpp.o
383.367 [1203/12/5664] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/FalsePositiveRefutationBRVisitorTest.cpp.o
383.442 [1203/11/5665] Building CXX object tools/clang/unittests/ASTMatchers/Dynamic/CMakeFiles/DynamicASTMatchersTests.dir/RegistryTest.cpp.o
383.525 [1203/10/5666] Building CXX object tools/clang/unittests/ASTMatchers/Dynamic/CMakeFiles/DynamicASTMatchersTests.dir/VariantValueTest.cpp.o
383.581 [1203/9/5667] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/SingleVarConstantPropagationTest.cpp.o
384.967 [1203/8/5668] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/SymbolReaperTest.cpp.o
384.979 [1203/7/5669] Building CXX object tools/clang/unittests/AST/CMakeFiles/ASTTests.dir/ASTDumperTest.cpp.o
385.995 [1203/6/5670] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/ParamRegionTest.cpp.o
386.072 [1203/5/5671] Building CXX object tools/clang/unittests/StaticAnalyzer/CMakeFiles/StaticAnalysisTests.dir/StoreTest.cpp.o
386.764 [1203/4/5672] Building CXX object tools/clang/unittests/ASTMatchers/Dynamic/CMakeFiles/DynamicASTMatchersTests.dir/ParserTest.cpp.o
387.535 [1203/3/5673] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/UncheckedOptionalAccessModelTest.cpp.o
390.057 [1203/2/5674] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/TypeErasedDataflowAnalysisTest.cpp.o
395.448 [1203/1/5675] Building CXX object tools/clang/unittests/Analysis/FlowSensitive/CMakeFiles/ClangAnalysisFlowSensitiveTests.dir/TransferTest.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/94248