<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/155126>155126</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang][bytecode] Assertion `isPtrType(*ToT)' failed.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            crash,
            clang:bytecode
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          k-arrows
      </td>
    </tr>
</table>

<pre>
    Reproducer:
https://godbolt.org/z/1ofjxqYGc
```c
enum e : bool { b = true };

void foo ()
{
  enum e e1;
  e1 = (bool) nullptr;
}
```

Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/ByteCode/Compiler.cpp:504: bool clang::interp::Compiler<Emitter>::VisitCastExpr(const clang::CastExpr*) [with Emitter = clang::interp::EvalEmitter]: Assertion `isPtrType(*ToT)' failed.
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: /opt/compiler-explorer/clang-assertions-trunk/bin/clang++ -g -o /app/output.s -mllvm --x86-asm-syntax=intel -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics -x c -std=c23 -fexperimental-new-constant-interpreter <source>
1.      <source>:7:1: current parser token '}'
2.      <source>:4:1: parsing function body 'foo'
3.      <source>:4:1: in compound statement ('{}')
 #0 0x000000000403c9d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x403c9d8)
 #1 0x0000000004039e04 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4039e04)
 #2 0x0000000003f7e518 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007eb975242520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007eb9752969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x00007eb975242476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007eb9752287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x00007eb97522871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x00007eb975239e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x0000000007e5e277 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCastExpr(clang::CastExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e5e277)
#10 0x0000000007e5bb4b clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCastExpr(clang::CastExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e5bb4b)
#11 0x0000000007e5b66c clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e5b66c)
#12 0x0000000007e4fe82 clang::interp::Compiler<clang::interp::EvalEmitter>::visitExpr(clang::Expr const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e4fe82)
#13 0x00000000079e9521 clang::interp::EvalEmitter::interpretExpr(clang::Expr const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79e9521)
#14 0x00000000079c15f2 clang::interp::Context::evaluateAsRValue(clang::interp::State&, clang::Expr const*, clang::APValue&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79c15f2)
#15 0x00000000079396a3 EvaluateAsRValue((anonymous namespace)::EvalInfo&, clang::Expr const*, clang::APValue&) ExprConstant.cpp:0:0
#16 0x000000000793e9f8 clang::Expr::EvaluateAsRValue(clang::Expr::EvalResult&, clang::ASTContext const&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x793e9f8)
#17 0x0000000006923cbb TryGetExprRange(clang::ASTContext&, clang::Expr const*, unsigned int, bool, bool) SemaChecking.cpp:0:0
#18 0x0000000006953e8e clang::Sema::CheckImplicitConversion(clang::Expr*, clang::QualType, clang::SourceLocation, bool*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6953e8e)
#19 0x0000000006957c89 AnalyzeImplicitConversions(clang::Sema&, clang::Expr*, clang::SourceLocation, bool) (.constprop.0) SemaChecking.cpp:0:0
#20 0x0000000006959172 AnalyzeImplicitConversions(clang::Sema&, clang::Expr*, clang::SourceLocation, bool) (.constprop.0) SemaChecking.cpp:0:0
#21 0x00000000069599a5 clang::Sema::CheckCompletedExpr(clang::Expr*, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x69599a5)
#22 0x0000000006cdea77 clang::Sema::ActOnFinishFullExpr(clang::Expr*, clang::SourceLocation, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cdea77)
#23 0x0000000006ff064e clang::Sema::ActOnExprStmt(clang::ActionResult<clang::Expr*, true>, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ff064e)
#24 0x00000000067e6ea4 clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67e6ea4)
#25 0x00000000067de584 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67de584)
#26 0x00000000067df3c9 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67df3c9)
#27 0x00000000067e751b clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67e751b)
#28 0x00000000067e7d2a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67e7d2a)
#29 0x00000000066dd91b clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dd91b)
#30 0x0000000006713d7d clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6713d7d)
#31 0x00000000066d06ee clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d06ee)
#32 0x00000000066d0e8f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d0e8f)
#33 0x00000000066d8cca clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d8cca)
#34 0x00000000066d9c65 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d9c65)
#35 0x00000000066cb7ea clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66cb7ea)
#36 0x00000000049b06f8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49b06f8)
#37 0x0000000004ca6b95 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ca6b95)
#38 0x0000000004c22d3e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c22d3e)
#39 0x0000000004d98bc1 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d98bc1)
#40 0x0000000000db3c5f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb3c5f)
#41 0x0000000000daa90a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#42 0x0000000004a186d9 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#43 0x0000000003f7e9b4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f7e9b4)
#44 0x0000000004a18cef clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.0) Job.cpp:0:0
#45 0x00000000049da9ad clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49da9ad)
#46 0x00000000049dba3e clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49dba3e)
#47 0x00000000049e3675 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49e3675)
#48 0x0000000000db0115 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb0115)
#49 0x0000000000c63a44 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc63a44)
#50 0x00007eb975229d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#51 0x00007eb975229e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#52 0x0000000000daa3b5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdaa3b5)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzkW1tv4ziT_TXKC6FAou4PeVCcuLcHvehsEgywTwFFlRxOZFFDUmlnfv2CpGxdfOlkJm4M9hv0ALbEKp5zqkgWaYZIyVYNwJUTXTvRzQXp1DMXVy8uEYL_kBcFL9-u7qEVvOwoCCfIHS9_VqqV-iNeOni54mXBa3XJxcrBy78cvPR59cfmz__9Qh0vd2LP_tNfoOnWCJAT5KjgvEZOco0K5AQ3SIkOkJPcOMG1NvLyV85KVHGOHJw6ONMPE_0Kod4J-LYtQuAbFw5OtVMHZ6jp6rpVoneW3IxxWPfXhL4oQShYRgNK3kheg-PltCbNysHX-l-QIwcvBefKwcu6fl27reB_AN1-dfBScV5LBy97s2XNCgcv84dHBy-v3xQseAkOXi74umU1iEvatk6QR164E8NaBrkT5KxRIFr7eWvhBIvbNVNKf7q1r35nkqkFkep20woHpxq8GvsZ3uVaFie6_sHUM-r9GNWO9Hr7Suptd9GNxphLCUIx3iAn9pi8U-LxrQUTnfyRP-oY4QRVhNVQXjpefvftNn-4RbIr1kwhgopuhQS0XCikOJqlEFPPXXFJ-XoQdCYzk7IDLTAiTYlYQ-uuBKSeAVFB5DMqdgHFC9QKnbEUpIQSSd4J-1hbEik5ZURBiUTXIEkFa5XG-6AIfUFlt25tSniXjpfdCb4SZI2IWHVraJTsU4G3GhPtQ-PCpq25ALGNv0u2YklXia55cfCyYM2QHjqrkLtCrs7vJWlb7bNTbacuJXLXmjty3U0au0SuXfnWKLJxghsdoRq5VcPdVxAFl6DfI_cBue6KUlcnIX0mrHGCm5ModWPZkFY-c4XcivKaC7dkZNVwqRiVtg-j7PTxBlHkSlU6wQ3FAXIr2LQgmNaG1G4DP1yThKRRrk0nATbTFn0YglvHy32t7eRZkCdOkPtaXtoJAY1CLRESBFL8BRrk4ESPY5w4Xo4PWIdba23FmhWquoaabNUzmDavOLfmwSlz1iCtF--aEklFFGhmdg5K9ARkMZj5CDk48JC38bb_hV5AszJFJoHNKJJv0n64E6xRJsMebY6mQyNBfjxxqQSQtYNjnaesUWa46l4_JdUcfO1tengDeH8GPgMvPAR-UQNpuvZ788BWDakdnHaNWTVKVHPdxTmgajADVDyGGlQJRH6KFjo974HyVxBvFtt_kabUcyVOew0nbRa8UbBR_dzrmf-t_6D3n0CRJREOcYS9npSdyDdp_BSHbs2abuOums6-oJeSX8YWsjYZAIdTh1mcVRS16lkAKZ9eWF1_zLuxH7xHc7hhEqOVNBJ8FHaYxIPjeOoYp0kVIFLoSftDbo3h4DbZc-sXH3boF4PDdOowyCCLP-bQmAwOs3GCJRABTpJ3rMjvWD2PLtb7yzQyc-d2sf7cIdVz6kspHPjejHFRhMX_N8aa08DYnzOOY_q5jF814ynTX8EyjunAEk9ZhhWk-Aws92M6Y7pA22r80xkbTgPjYMI4gyzC_nvq2tFLAe8ndD5iFvpALJwSo35UnQilWdvsF3gldUcU5PL-d1J3MOU1NnvQNU5fdpyiPnqX3_U-47NoYFgOGkRTDYIsJgG63efn4JQ0vHlb806ihqxBtqbQyoa4f20q_k-o6paLvrqd1RAaaTxDClmVzjsawBwPz7TdPciuVvuw84fHPuRb8PE4Ne1W8NODY0gNwUnGlOMMB7Qo0KN4-2KH0z1pVjNyA-x3RGJXZppibn_8PcCaLJ6BvrBmdSAg6RRdFEAK4_60eT94tJOv67ZmlKkFb15BSMabA3HZS5H_6UhtN8KTxw9mc_GNU6KMoy3oc06MPcUhPNlMgISmGcobUr_9Bfts5ZSuUedgjPZFOMbWULw0IW0Fby-9n0cNezPQmZ_gfz1ofw46I9GJVNPrbg0KysOLzgexfnIOaey7HMKTciKmJZBpYTwwy6n63ixZw-Tzsqvrf0rt7MttT2agOqkj4qry4vDIfGGoajoPaj2r93Jz6tDP2pOyakRfic4cPJyRnIU_kJvUEnECMZBwTO7OnLaMPlt6_QnIlONe21LrsJvXP5-MhTuQiaZkSojS02R2RL6LG6A1ESbZ8kqByJUSrOgUyMmpzMOa1PXvQBWfVcc25CaMOOxMFOfzzU_0OZn-8-Fh7ccgD_Y2b3GGGBiVhxjEsxhUAc3-Rgz-LaKfQzAtySBYMhuBSeQXJwks-oPInXDXvHwb_crx-aNMQxoAp3PAJSYnAS_7M9c54JGNjvyRJJ_kCuXtmXYYPZGB5rRKissy-0lctjRvoGINU3uF4p09gt4mORfvSdZHWLc1UaA3KZOK_ojVN6JgGPnf2LnOF3pBdnJNj7zjxA_KpDxJTevwRfCuParSQwt0n-2g3-FB_M6Z8ajK--3fNRf3_pbcbm--NuxcylttB-X9WaJ6McBPlf8uRun6Ve_87RH-P19i9lqcjGZOKUip37GKaTnOkalakUEvPNcL0uqnevXL0kS2o6P801XbO4D4JapBWg2qBTPVUkpPz_q3G5tU00X9Fyh1Di0020GLcKZFRuPopBaPvP0Gr1DbZW4swveW_NnBnZoVNrvJ8R6qg2XNsOn4b152td4Cc6GGY7tziKBpDiJMi-2YFgnsJ4S56HBkJ37ufZyFNACeVKZhVnjx9CBuwUv4Ao3dqW33ZkA7Bf0jc-Pk03_TtEAGmJN6MKQkLrJJci2FXvaa8gDOMyG0GAaE6RQhxmUAUyFtn1_Nmai9S7Ov5XFKZ8nfHufAYlLfhWWWFtSfng4ZvAOZ110BkJ4ie5YpqMe3Qx9Oyi2vLAIaVYhS_2lN2HTzlAtB3sw0sqDPZHSSag8aps_wAr1yVp6HhEU5cPCnHAjJPIK2si_8RzMvHN4Gfl239UFCZmYZTLSP_fPwDJWCve5uW41O7MJJcRASP43LzEgycrq9Q_IkjKrmbX8dbftbGCV1XRD68lQ104nddtynzsJf8PWaNOV8FB-Mnrleo5_xVvdOtAAjcZRgzapfLmxodwZPT3Sz8X37pSCS0SdpmvcSThrrB09KEKbk9vXMHalrPRTsZrx_r5vkk_Ps_scGa-LgpCbroiTmmsxWKpxuL4r8xosDwQjm1zuyYnwT5dAlDvvmvmseSAX120TL03H7_HzvEQ8JH86Ti8Kk8vyPSw5zpN4Soexp-uEsiKbrdkkyUh5VzUSN7K2MWyknU_fMUDc4tsU-0TT_FT-x9bSHVJoVM2VBpmvwe0T5jRfyuCK_8eIbk9OfEU_NxbsMaAnTwe9_nHuviH2a_BIptViDlNOCK4MgTqJjsG9GnycFwoHK4FgIfqGUZ6hWjTyDeOmsDvF8vxdvW4lswZupJO8ngp-v0J9ee2hkA-5J9efROCBhiDTiz-7Yut51HHmzO29ZmX3wSqExGRz6c4cQeujpSds8SUWEehrRencXEI66wPNCLSgiZJ1_epyMc9v1-F2QIxBCryq5TS9U9ZsGRPv8t3fMkbnKDhum06kE5AehxthJQO4rUhxJAMRGxbzuaVvEIwGqEw3o4actx38CcFFeBWUWZOQCrvwkirIsyuLk4vkqKcq0SrIY05IUWYyroiBV6EMSBRQKSC_YFfZw5KU49Lwgw8llEsQeicMQB14ZRT5xQg_WhNWXelhccrG6MNfar_wo8nF8UZMCamn-FANjc_nawdjBC_2tnxKKNwXU_CkBdqKbC3FlrskX3Uo6oVczqeTgWzFVmz_ssMbRjRNd7-yjm4_d6L_oRH3192_t9wxfr_D_BQAA__9_1oJz">