<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/128313>128313</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [MLIR]`-test-bytecode-roundtrip=test-kind=2` triggers Assertion Failure `succeeded( ConcreteT::verifyInvariants(getDefaultDiagnosticEmitFn(ctx), args...))'
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          xisang0
      </td>
    </tr>
</table>

<pre>
    Test on commit: https://github.com/llvm/llvm-project/commit/a9882bda96228ca23e166a817f93a7dbc99763cb
steps to reproduce:
```
mlir-opt test.mlir -test-bytecode-roundtrip=test-kind=2
```
test case:
```
module {
 func.func @switch_missing_case_value(%flag : i32, %caseOperand : i32) {
 cf.switch %flag : i32, [
      default: ^bb1(%caseOperand : i32),
      45: ^bb2(%caseOperand : i32),
      0: ^bb3(%caseOperand : i32)  // Added a case value (0) for bb3
    ]
    ^bb1(%bb1arg : i32):
      return
 ^bb2(%bb2arg : i32):
      return
    ^bb3(%bb3arg : i32):
      return
 }
}
```
crash trace:
```
mlir-opt: /home/workdir/llvm-project-19/mlir/include/mlir/IR/StorageUniquerSupport.h:180: static ConcreteT mlir::detail::StorageUserBase<mlir::DenseArrayAttr, mlir::Attribute, mlir::detail::DenseArrayAttrStorage, mlir::detail::AttributeUniquer>::get(MLIRContext *, Args &&...) [ConcreteT = mlir::DenseArrayAttr, BaseT = mlir::Attribute, StorageT = mlir::detail::DenseArrayAttrStorage, UniquerT = mlir::detail::AttributeUniquer, Traits = <>, Args = <mlir::Type &, unsigned int &, llvm::ArrayRef<char> &>]: Assertion `succeeded( ConcreteT::verifyInvariants(getDefaultDiagnosticEmitFn(ctx), args...))' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: ./mlir-opt /home/workdir/test.mlir -test-bytecode-roundtrip=test-kind=2
 #0 0x00005ee0b6545998 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (./mlir-opt+0x108a998)
 #1 0x00005ee0b65434be llvm::sys::RunSignalHandlers() (./mlir-opt+0x10884be)
 #2 0x00005ee0b65463a8 SignalHandler(int) Signals.cpp:0:0
 #3 0x00007d5ce70b7520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007d5ce710b9fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x00007d5ce70b7476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007d5ce709d7f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x00007d5ce709d71b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x00007d5ce70aee96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x00005ee0b98fb5d0 mlir::DenseArrayAttr::getChecked(llvm::function_ref<mlir::InFlightDiagnostic ()>, mlir::Type, unsigned int, llvm::ArrayRef<char>) (./mlir-opt+0x44405d0)
#10 0x00005ee0b98fb4fa mlir::DenseArrayAttr::get(mlir::Type, unsigned int, llvm::ArrayRef<char>) (./mlir-opt+0x44404fa)
#11 0x00005ee0b9939c99 (anonymous namespace)::BuiltinDialectBytecodeInterface::readAttribute(mlir::DialectBytecodeReader&) const BuiltinDialectBytecode.cpp:0:0
#12 0x00005ee0bb8ed3e4 (anonymous namespace)::AttrTypeReader::resolveAttribute(unsigned long) BytecodeReader.cpp:0:0
#13 0x00005ee0bb8ec777 (anonymous namespace)::DialectReader::readAttribute(mlir::Attribute&) BytecodeReader.cpp:0:0
#14 0x00005ee0b65ff1f4 llvm::LogicalResult mlir::DialectBytecodeReader::readAttribute<mlir::detail::DenseArrayAttrImpl<int>>(mlir::detail::DenseArrayAttrImpl<int>&) (./mlir-opt+0x11441f4)
#15 0x00005ee0b6b39a94 mlir::cf::SwitchOp::readProperties(mlir::DialectBytecodeReader&, mlir::OperationState&) (./mlir-opt+0x167ea94)
#16 0x00005ee0bb8ea0c8 mlir::BytecodeReader::Impl::parseRegions(std::vector<mlir::BytecodeReader::Impl::RegionReadState, std::allocator<mlir::BytecodeReader::Impl::RegionReadState>>&, mlir::BytecodeReader::Impl::RegionReadState&) (./mlir-opt+0x642f0c8)
#17 0x00005ee0bb8e5adb mlir::BytecodeReader::Impl::parseIRSection(llvm::ArrayRef<unsigned char>, mlir::Block*) (./mlir-opt+0x642aadb)
#18 0x00005ee0bb8e2f3d mlir::BytecodeReader::Impl::read(mlir::Block*, llvm::function_ref<bool (mlir::Operation*)>) (./mlir-opt+0x6427f3d)
#19 0x00005ee0bb8eb8be readBytecodeFileImpl(llvm::MemoryBufferRef, mlir::Block*, mlir::ParserConfig const&, std::shared_ptr<llvm::SourceMgr> const&) BytecodeReader.cpp:0:0
#20 0x00005ee0bb8eb74e mlir::readBytecodeFile(llvm::MemoryBufferRef, mlir::Block*, mlir::ParserConfig const&) (./mlir-opt+0x643074e)
#21 0x00005ee0b98132ef mlir::parseSourceFile(llvm::SourceMgr const&, mlir::Block*, mlir::ParserConfig const&, mlir::LocationAttr*) (./mlir-opt+0x43582ef)
#22 0x00005ee0b9813988 mlir::parseSourceString(llvm::StringRef, mlir::Block*, mlir::ParserConfig const&, llvm::StringRef, mlir::LocationAttr*) (./mlir-opt+0x4358988)
#23 0x00005ee0b96e4e74 (anonymous namespace)::TestBytecodeRoundtripPass::doRoundtripWithConfigs(mlir::Operation*, mlir::BytecodeWriterConfig const&, mlir::ParserConfig const&) TestBytecodeRoundtrip.cpp:0:0
#24 0x00005ee0b96e2cb0 (anonymous namespace)::TestBytecodeRoundtripPass::runOnOperation() TestBytecodeRoundtrip.cpp:0:0
#25 0x00005ee0b98163bf mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (./mlir-opt+0x435b3bf)
#26 0x00005ee0b9816ba2 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (./mlir-opt+0x435bba2)
#27 0x00005ee0b981934e mlir::PassManager::run(mlir::Operation*) (./mlir-opt+0x435e34e)
#28 0x00005ee0b9811e6b performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#29 0x00005ee0b9811acb llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#30 0x00005ee0b98badf5 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) (./mlir-opt+0x43ffdf5)
#31 0x00005ee0b980c9b2 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (./mlir-opt+0x43519b2)
#32 0x00005ee0b980cc63 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x4351c63)
#33 0x00005ee0b980ce72 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x4351e72)
#34 0x00005ee0b6524c27 main (./mlir-opt+0x1069c27)
#35 0x00007d5ce709ed90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#36 0x00007d5ce709ee40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#37 0x00005ee0b6524795 _start (./mlir-opt+0x1069795)
Aborted (core dumped)
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzcWltP5Lqy_jXmxaKV2Lk-8BCaaR2kGQ0CjtZjy3YqaR_SSR_bmQX_fstOunOhA_QsrbW194iBJnFVfV-5Lr7AtJZlDXCDwlsU3l2x1uwadfMqNatL74o3-dvNM2iDmxqLZr-XBtEM74w5aEQzRDaIbEppdi1fiWaPyKaqfh1_XB9U838gDCKbXpRsWJokhOcsjQhJBCMU_ChiiR8XKWVxzkWaxhEVHHmZNnDQ2DRYwUE1eSvAWvQyFHn9l5ftK6mum4PBBrRZ2d_wtf14zd8MiCaHa9W0dW6UPCB65968yDpH9I7MNNl3WDB9zkiTtxVgFN8iL8NFW4uV_YZR4Ok_pRG77V5qLetya-W3v1jVAiIJImFRsRJbh0lKEFljREI75OcBFKvz4U16VC6KVacSn5MO3Rj3L4eCtZWbDBR-49zvDJ7Xjsj6JBiEJxnyVRnvJEI_EsG4iwec5TnkmDl3YucOjEji2SFFo7BV06lG4d3p00CCc5-pcozFTUmHRYFpVW1_HXPgnHxF5GiIHqXolwzFFmX_fRQXQjG9w0axjyLTuY5sds0eENn82aiXXKpZglz7KSIbK4HIRtaianMYHtw_IrJ5Mo1iJfxvLf-_BfXUHg6NMqsdopmfuOnRhhkp8LqphQIDz9hJ0wzRLAfDZNV9PurRoG5dsK-HcXdQa8iUYm-ZMcpG3PDOPpG8NTB9PFY9Fe8NLQ8_aew5Ifqte1GCQST58f3-cd3UBl4NRiSzejJVaoxIhEi0Wq1c1oS3A2FE7_BHZCzf-agJrR7yfMyXOPYkPpJ9R5is8bNi0mgnhOjauuDEs3s0qHp-O0DHfo3b2lXtHMvaHJ-5wtsZsvgeoUB0LXbMOtaNod9sutEMZ1qDMrKpMYo83QoBkEOOSDJET6foFyhZvN3Xv5iSrDYakaQEc9eVnjvJyrrRRopve2k2NSKJMK9d5cBMlbqbI_cV44LJCvIV8rKH79-yp29Yt3wvDWaYt6Wt8I0yttZf3Fmk1i1oW3VsMeqTB5sd4C49ORMvLkWt7SfDxAvO2_2hS1hv1eX6g2pKxfYWdrsHy5RmeNWnoOsv51L4t3oORoR62Hv1PM8LATwehUGYpslo_vSb7j48KFkbh_nZFRmSDIMU-3PbaKOA7fsAkLVxOUGSMXJEbr1X30tYmiZ2LjoE_gwBDTicQ_DY1k-yrFn1P6zOK1DaFc5FI0nAYTBCZkYiyhI8UYdI0qPuHuuVONip8dz_TgvttcR5KCD2eBwSDzsYm0pyRDavSbSNgutK1u3rdVm33Qux0s0qcsACEhJvgBVMFPoeTwuBD2angOXbF1lVl2lPo7QQg_ZwDjeII1xqR-9S2EEcDYqjqeI0jwuKGbd5c5FaksQFHdTG79T6_GKFPh8UJlOFDCCNLlNIU0hHxNNxGKVJwcPcWy70xxay3oF4cVVtCGu7arN1b6tccRx03NebSpa7UU3rEKd9RZ5W4XkF_qz6LiVMEARemPeRaZPSmzMNCvY5U0SSvw9fULAB36RqpClNReokWd3Ub_um1bhme9AHV6vSztxtKysj6zvJKhDmti-R97UBVfQLJ5rZ1Bu14hGfmdwjsNyWDRseWDS1Nvi8gVkhsegn5YgnkFMIPkNvQVmX9nZ7sLqpfsEY78nbVVOXFtoU7xkwdAZGxHH8GZie4hTLkuNGT6MvIQqm1boo_CIYhc33ppSCVY-g28rgzyboDLhxvi0vqe73hwrRtY1aux78NuH0VbGO8dke5QeBXwRDSIcT1pymLA1G7ETRL5vdpuznYSD2oJqDXUXZtceX4nVcRdzeyVaiJ8NOM3QWbxQDS0d4o1ncME8kI8XnpqHzjf10YErDI5SyqS1qbfLjOk-YRk1m6GNFnQ77riewxidlrKoawf6avn7qZ167ENOiU6OAFJ5IBqfGM6eGLOeXOfX-8Qlca5n0m1GpPVWIU82dMKsa8eJ2OYuIGcv5gDiZISYFzb-M2IbvJGgH8-NGMeuWvGncAuZMFHfIP-gkUUDiguYD_nSGnyccsMV1RL6RFTjEY3_-gH2j3m7bogBl3brgw_HTBzs7at3UhSy7htGH1Sle9Y4pyLcH21HXg62nplUCfpRu-zQIfl5IiTfnFgcwQjRn-TcxXJoI6sUBnCaCTFt64lMCxUi5C-7OFe-wnjw08etvT8gw5LutH7Kpu437YlIENEyI9dGRC5lzSZPkPJcno6Rt1GM27tFfjapP9V3ALU2GEkUm64U0ggDiTxcvz6CHRnTckj4w3e_t8ub08A9pdh0b_UGGn6vFfyhpPpnOxQA9i-9MQgUz7kRw7y9yV239sx6xSy7BE87iLKK8WDjz-Xl4bn46u1nODq4p9uYnfnbA5i5edn5Ws-pNS_2D1azsDpJsdX6_7l8MLk75KHGiOSHOyMWEHuQBKlnDLIDs0BPOpWXQ7zOcBprW97U2yp3hNOpM2o4HdJa7Fz32B6agNvd10RwD9aMM5ZyRwYnxzIkpnZT9sR_OxsCsmy4ZBTou38nMqA8RxwdQRaP2meve-pNTo9_sg2O3jo5q37n8RyXVz4P5wWR9pgKM3p7Js3ROjgm-uCNZXLcsCYwXwK07kX3HfdyNJ77qb1-2OVTgtjYLMv06dtwX5jOQns69BasqzsTLtqgnS-eRk746l387n3cbHrv61ka9vQ-OjwKgG4JIsPW6vV63f_4nmXwwMx-HJ52d1nCWF-GIuD5U0mS13SgK0PqI9d8SdP-BKfHhiMWF1tnHS7W0KPIiPNVSOlsKeyLl5Hwg_7el4VKv8VM-NDhK5v4REV30T9-c3W7X9oTs0kn7jNwyaBHRATSdg4Z4eVIvAf276CAeuXR25kYCQWK8Z7JeuGCJUkHiQXx215BCnl54NULSPB0OoN_dMQAEHt5urcxWG6bM9gjuEhMQjEzEc8pxGuJO-SLpOO3TNOONMpDbgaJR4G7y4HiscLx8v8pvaJ7SlF3BjR8HHvGpT_yr3U1URAH3WREmvp8KEAHhfu5xz6dcJEniXckb4pHQI4R4CSWevwo8FrIY8hgKKGhCUODBnslqZYNi1ajyyl0_3vgkoT69qhiHSrs_pSGku70nKLy7Ujfu0pK3pUaBV0lt9KDBSFO5P7-xyygU3qHI-_J1YuRho2RZgtKjW90Nk1Wr4J-73b1qVXXz-ze3vfd-3ZB_BQAA__9MVx6B">