<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/149281>149281</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang]Assertion `(getExceptionSpecType() == EST_DependentNoexcept) == epi.ExceptionSpec.NoexceptExpr->isValueDependent()` failed
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang:frontend,
            crash,
            generated by fuzzer
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          Rush10233
      </td>
    </tr>
</table>

<pre>
    Simplified Test:

```c++
template<typename T>
concept C = true;

template<C ...T> void i() {
    consume([]() noexcept(sizeof(T) == 4) {} ...);
 }

```

Starts to crash since clang-14: https://godbolt.org/z/dnqf4s63a

Stack Dump:

```
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/Type.cpp:3730: clang::FunctionProtoType::FunctionProtoType(clang::QualType, llvm::ArrayRef<clang::QualType>, clang::QualType, const clang::FunctionProtoType::ExtProtoInfo&): Assertion `(getExceptionSpecType() == EST_DependentNoexcept) == epi.ExceptionSpec.NoexceptExpr->isValueDependent()' 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++ -gdwarf-4 -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 <source>
1.      <source>:5:43: current parser token '{'
2.      <source>:4:27: parsing function body 'i'
3.      <source>:4:27: in compound statement ('{}')
4.      <source>:5:13: lambda expression parsing
 #0 0x0000000003fb2168 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fb2168)
 #1 0x0000000003faf594 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3faf594)
 #2 0x0000000003ef3d68 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x000076f724442520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x000076f7244969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x000076f724442476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x000076f7244287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x000076f72442871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x000076f724439e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x0000000007ca8231 clang::FunctionProtoType::FunctionProtoType(clang::QualType, llvm::ArrayRef<clang::QualType>, clang::QualType, clang::FunctionProtoType::ExtProtoInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ca8231)
#10 0x000000000751cf68 clang::ASTContext::getFunctionTypeInternal(clang::QualType, llvm::ArrayRef<clang::QualType>, clang::FunctionProtoType::ExtProtoInfo const&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x751cf68)
#11 0x00000000072897f4 GetFullTypeForDeclarator((anonymous namespace)::TypeProcessingState&, clang::QualType, clang::TypeSourceInfo*) SemaType.cpp:0:0
#12 0x000000000728ddcf clang::Sema::GetTypeForDeclarator(clang::Declarator&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x728ddcf)
#13 0x0000000006d142b0 clang::Sema::ActOnStartOfLambdaDefinition(clang::LambdaIntroducer&, clang::Declarator&, clang::DeclSpec const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6d142b0)
#14 0x00000000066fa5d8 clang::Parser::ParseLambdaExpressionAfterIntroducer(clang::LambdaIntroducer&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66fa5d8)
#15 0x00000000066fb9ab clang::Parser::ParseLambdaExpression() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66fb9ab)
#16 0x00000000066dc335 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, bool&, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dc335)
#17 0x00000000066dccf7 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dccf7)
#18 0x00000000066dcd89 clang::Parser::ParseAssignmentExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dcd89)
#19 0x00000000066dd0ee clang::Parser::ParseExpressionList(llvm::SmallVectorImpl<clang::Expr*>&, llvm::function_ref<void ()>, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dd0ee)
#20 0x00000000066e1eed clang::Parser::ParsePostfixExpressionSuffix(clang::ActionResult<clang::Expr*, true>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e1eed)
#21 0x00000000066dab5a clang::Parser::ParseCastExpression(clang::CastParseKind, bool, bool&, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dab5a)
#22 0x00000000066dccf7 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dccf7)
#23 0x00000000066dcd89 clang::Parser::ParseAssignmentExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dcd89)
#24 0x00000000066e1439 clang::Parser::ParseExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e1439)
#25 0x0000000006775f49 clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6775f49)
#26 0x000000000676d6cc 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+++0x676d6cc)
#27 0x000000000676e509 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x676e509)
#28 0x000000000677663b clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x677663b)
#29 0x0000000006776e8a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6776e8a)
#30 0x000000000666e843 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x666e843)
#31 0x00000000066a463d 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+++0x66a463d)
#32 0x0000000006782658 clang::Parser::ParseDeclarationAfterTemplate(clang::DeclaratorContext, clang::Parser::ParsedTemplateInfo&, clang::ParsingDeclRAIIObject&, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6782658)
#33 0x000000000679028f clang::Parser::ParseTemplateDeclarationOrSpecialization(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (.part.0) ParseTemplate.cpp:0:0
#34 0x000000000679063a clang::Parser::ParseDeclarationStartingWithTemplate(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x679063a)
#35 0x00000000066acf60 clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66acf60)
#36 0x0000000006669b5c clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6669b5c)
#37 0x000000000666aa45 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x666aa45)
#38 0x000000000665c81a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x665c81a)
#39 0x0000000004967388 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4967388)
#40 0x0000000004c5ad75 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c5ad75)
#41 0x0000000004bd782e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4bd782e)
#42 0x0000000004d4e821 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d4e821)
#43 0x0000000000d933bf cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd933bf)
#44 0x0000000000d89f9a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#45 0x00000000049ce879 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
#46 0x0000000003ef4204 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3ef4204)
#47 0x00000000049cee8f 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
#48 0x0000000004990d9d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4990d9d)
#49 0x0000000004991e2e 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+++0x4991e2e)
#50 0x000000000499aa75 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x499aa75)
#51 0x0000000000d8f86f clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd8f86f)
#52 0x0000000000c44414 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc44414)
#53 0x000076f724429d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#54 0x000076f724429e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#55 0x0000000000d89a45 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xd89a45)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
```

Generated by fuzzer.
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzkW9tz4yj2_muUF8ouCd0f8qB24v5lfr3b2XZq9tGFELLZlkEDKOP0X78FSNbFlyRTcVfXzlSm2pbg8H0fh8PhYiQl3TBCbp3wkxPe3aBGbbm4_dbIredC37_JefFyu6K7uqIlJQV4IlI5fua45i9y7R924Cf952aK7OoKKeL4C_VSE4Z2BDw5_r3jZpgzTGoFFsDx74ASDXH8T9bQoNYCzOdzXQM8c1oA6sDEgSlwYl0UAAAwZ7LZEf3cYG4LME722rwDE0l_EF46MHkyNf073V7QWYnvdAsOTG3rwInvJmzs15VCQkmgOMACyS2QlGECcIXYZuYFjp-BrVK11GLApQOXG17kvFJzLjYOXP5w4LJgf5SBjHx0MIi_g7tmVx8LqOXRllsd_Qw4cCk4Vw5cVtXzblYL_h-Cu68OXCrOK-nAZVttWdHcgcts9eTA5dNLTea41u34se9qc7aYnzl-tmwYVpSzR8EV10XPPYbJoNa_GlTZpwtgIJinmRDo5RspHX9xqqx_r4ufsaI7Ur0B2P1emScPrOQOjEzPZSCTkghdGmj5YLIh6t44AOVsVRPcMhh4wP3qaX1HasIKwtQ_D-5yeE9qOh-ZmHeF7ve1mDn-PZW_o6ohByPWvgNjUCJakWLuuNnjl_tsdQ9kk--oAgjkzQYIUnOhtCtNXIaqbZPPMd_1_TrpbSplQ3Q_A8QKQBmumoIAtSWtV-YIf1cCYaNoLUgtOCZSkgJI3gj7WNdEUnJMkSIFEA0DEgtaq_nBK4uDV7pzx00fBd8ItANIbJodYUq2Hsm1YEvMdzWtiJiRfV1xQUTnhjPUdYqcKdGw7w5c5pT1XqqdG8w2xZ9IlLMAzDZgxrVdVNfaeqPqRs0lmO20CmA22yfRDMndTL4whfaOf0eZIhWYlYzPnonIuST6PZitwGy2wXimRwXeIsp0n17CqwtLhmq55QrMSswrLmYFRRvGpaJY2jaMxqPHjr9ohTUxzdNqjZ75Wej4WeCbQdcIQZgCNRKSCKD4d8KAA2MdhmDsuBk8UV2HFhjr6roaZRtQtuMC6GCs61Nb279YmzKgifOGFUAqpIjuSGBcNrZxUH-AqeNmwRkWnmFRoV1eIED2tSBSahwtMBM9oe8Cd-92__llDr0oGYQI-SLth0dBmTLu9mQdNukLCfTnmkslCNqZIb4AlNmxqfF-iN858JO7b-FZ2hq8NwaPyjANToFfVASxpv7KVnTDUOXApGFm6ixAxXUTV4BqwPRQ4QgqKf0iSsBCe-g3gvkzES8W2_8hVlS6xaTVcFRmwZkie9VOD67539r3W_txVMYwCAIYQrclZSeXfRKto2BWUdbsZxvW2Bd4Lvk8MpBNlR5wMDaYRmmJQa22gqBi_Z1W1fusm_q99XAKN4gjsJFGgvfCDuKoNxyNDcMkLn2Ach3B32XWVOzNxkdmvfzdBr28N5iMDfopSaP3GTRVeoPp0MFijBI9PH7FxOFdKYPNM2zi8NFjtBXJSqijySgWxqGHyygZ4s1WT-0AtN83RHUUNPoHpoiw4eXDFXyfVAuQc15pyWya9tHCWWl64UZxOIZJGpcB-KzVqQyfJRd3BFdIIMWFAZMgxtnLjjcS6FWGrM2cklpWusqjTYUo26z09NfSet2n9KOVmQltxplpFVZkhwZpdRc3NXQ4gV4UuBza01Xtp89EneIyKDt8fhWHtfB63f0h-KjwApi7p8FnWH1lZlH0tfxiUoI7UlJGdbNjEvbtA1OCFw0m4lj5Cc2jdzr7vua4bYn2MgQjGaIShcVo3D6aDG7w2XK8P-REWamIGFJ-VZCPJ2Vh96TCCak8Rfm7SHXrpw_HqZH0OKMxzgL7fngR5wJJNUI5KKzfmUL_T1nRx7Hu36m3Pb3UfMGFIIcY_Ils0TPVnjmtm11FDEO3FyOeioHL-OPF-MUUwGXcK5BMFSiS9KICmdnE0subczpc4ngVQkWS9oTSCaHCJeQioZ7GF6pD4GChtNqhqvqdYMXFw66uxpO_rqc7Sc_90Thb6NaQa2EyBrO31m5f2Eyhm-4_XgxN9yAGdMdiEI-Q4qIYj1yqku57TVZNWdL9uIMzQ-4bkU2lTmsCF-2W4_1VWBoePUtv0uUoD9HfKKRpur0Y8O8e0qD_PxbSYDAdxYF_mdAvQsMA7WmMM6Q4DsvgdRqrbjNtzOSobLFSO9Wt9q5AxsLtyYzTqDgqIowvkjkQ-XpYj3SZbKaUoHmjiDw3-4yjrKbaRlkYNP0E9HZ9RmXt8usLx8iuLrJTtoohyJOtTUtcoQ-Myn0fxJM-IKF72aFO98GvIvo1BNOS9IIlkxEYRf7lNcqi3dM-CPeJFy8OTK6Vv1hIPeB0Cpgkl2f2bt9lCniy5D3j5CNfwbwm13JkQ-RA05-kaRFJAv9NNM9tCjzaM4NLK_9jZ31qz4WPNqfO1PqCFOlHvk2erzPBG0F6uSb5Hgoi_3JWq3X4LHhTn1VpVRN8aefk9CB-Y2Q8q_Jx-TfF4tbekotviG3IA6NXU95o2ys_Ti7jBEbh5Z2b6VTXsT-3EXdB53eoOOjYb9nDw9fcnu--JvabprVRiQxjIqV2HlpScpUsyorcd8E4u41TFyblRa06qQZd8VUYyKiiP9Bx8HitN64l27xGQs1d_W0E_HgX2A-mIkT-5XlhQN7sqlK2-TdV27_mjn9JgCt4hqHde8ZkBxLhMnLfKsrP9oDXS_yUBMmK1Es42RyN0jy8nNXf7-0Z0lkpP0KKo3nqSrOsZttrMdkbjRAKLm8UP_H6C3kmlU2whiJ8rdEfDXlUk5T6MC2bg7UTCXV_HvIPXjQVedjVXKj-gOkaImiavQiT7dEQJ95xoDH3wJIp7uHB3hV3_AykHvAoYw7SKPaT0Qy94AX5TJjdwus27QhuFGkfXeUUogVygBmMMt4Ah6iIR861FDrwsOIEzishtBh6hKMkM8iLOIFkLKRt84FJhRgmp7U8T-kq_tvi7FmMEragCEgCR7cMWrw9medDwE0ukb1KCGrx9ehHuY5bpL6flwBjb71DdLxsH57Pb5Holi9ZdzI_egYX5rrrdUhYlD2HYMwhScsUgU72hfdk4sLlM4cjQpPjBm2jnahH57iFoM9EHKdPQTgOEpgkcWpvAL_1DMMUwaiqcoS_r0s2Duy24dZ1Ft6C73aIFdNRfLL3pGrLcXMzFGkBBuIoQdmmnS5s1x4qrNd4v_c8-yVHkuK1NMVbCUeF9YO1Eogq2b2emENVpYeC3QZq3-si2WQ32wpuqjgwttf3zF2_w3FP0t1Z-43nJzojmtw0C6A7vBR36j6ZffOtYStUkuplpOUrZ08ff3POIu4dPp46FxkvUP52zjFZ25z2gmSsWuoWaXFWNdNr6Ghm7KQche5JRV3g3ObOhaLZz7in1NLuXWmSzKQeGc_BbxHlN57L84r8xvMvVKqRIpdi8cEDakR155tLn28XsXWTnyKlFusgZehOpERonHANYd8NPo8ShBOZwbku-IlSXiFbNfL04nmTObxMojakdZlIB96EkqwNBK_P0B-dexhkPe5R9ufiIAi8AGjEH92wNd03PLndDNMifeftZlOlNxhMDZLABeu1rrOWCgm1HtB6cxMkGDQRThM1vd61xj--n9LDKnP4zs8AEULPKu1viEDZLhoAbv3f_vYF_EnVFpA91e5UEOD5gcbYSAJmz0BxIAkBdJDMp8c_ufpMGBHmNyr5CyibHz-ImN8Ut36R-im6IbdeHMI4iEI3vNnewhQFRZLgGEax50YkKEMv990iJjhPISQ39Ba6MHRjL_Zc1wvCuYf9MoBhiN3IIySFTuCSHaLVXI-KORebG_Nrm1svSGHi3VQoJ5U0v4yDsIsBHXsHQgcu9AudDB2-bY4Z6Hfh3Y24Nb_syZuNdAK3olLJvl1FVWV-g2ebCe9-oV83RW7bwzeNqG7_-g-YWlWfb-F_AwAA__86hH8C">