alexfh wrote:
Hi @mizvekov, we started seeing crashes after this commit.
I'm working on a shareable test case, but here's the assertion failure and the
stack trace:
```
assert.h assertion failed at llvm-project/clang/lib/AST/TemplateName.cpp:184 in
TemplateDecl *clang::TemplateName::getAsTemplateDecl(bool) const:
Name.getAsDeducedTemplateName
() == nullptr && "Unexpected canonical DeducedTemplateName; Did you mean to use
" "getTemplateDeclAndDefaultArgs instead?"
@ 0x559dafb2e734 __assert_fail
@ 0x559dac2d2534 clang::TemplateName::getAsTemplateDecl()
@ 0x559dab8f5744 (anonymous
namespace)::TemplateInstantiator::TransformTemplateName()
@ 0x559dab94e9a2
clang::TreeTransform<>::TransformTemplateSpecializationType()
@ 0x559dab8e7f9f clang::TreeTransform<>::TransformType()
@ 0x559dab94ad68 clang::TreeTransform<>::TransformElaboratedType()
@ 0x559dab8e80a5 clang::TreeTransform<>::TransformType()
@ 0x559dab8e7a0b clang::TreeTransform<>::TransformType()
@ 0x559dab8e8790 clang::TreeTransform<>::TransformType()
@ 0x559dab8e8690 clang::Sema::SubstType()
@ 0x559dab6f4796 clang::Sema::CheckTemplateIdType()
@ 0x559dab94a6d1
clang::TreeTransform<>::TransformDependentTemplateSpecializationType()
@ 0x559dab8e815f clang::TreeTransform<>::TransformType()
@ 0x559dab8e8ebe clang::Sema::SubstFunctionDeclType()
@ 0x559dab985787 clang::TemplateDeclInstantiator::SubstFunctionType()
@ 0x559dab98386d clang::TemplateDeclInstantiator::VisitFunctionDecl()
@ 0x559dab9de2f3 llvm::function_ref<>::callback_fn<>()
@ 0x559daace13df clang::Sema::runWithSufficientStackSpace()
@ 0x559dab98e1c8 clang::Sema::SubstDecl()
@ 0x559dab7d6bc1 clang::Sema::FinishTemplateArgumentDeduction()
@ 0x559dab866702 llvm::function_ref<>::callback_fn<>()
@ 0x559daace13df clang::Sema::runWithSufficientStackSpace()
@ 0x559dab7da125 clang::Sema::DeduceTemplateArguments()
@ 0x559dab64655f clang::Sema::AddTemplateOverloadCandidate()
@ 0x559dab65b2e4 AddOverloadedCallCandidate()
@ 0x559dab65b167 clang::Sema::AddOverloadedCallCandidates()
@ 0x559dab65b735 clang::Sema::buildOverloadedCallSet()
@ 0x559dab65bb92 clang::Sema::BuildOverloadedCallExpr()
@ 0x559dab13092c clang::Sema::BuildCallExpr()
@ 0x559dab14af37 clang::Sema::ActOnCallExpr()
@ 0x559daa9f72b4 clang::Parser::ParsePostfixExpressionSuffix()
@ 0x559daa9f9078 clang::Parser::ParseCastExpression()
@ 0x559daa9f44b2 clang::Parser::ParseAssignmentExpression()
@ 0x559daaa4f9a0
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes()
@ 0x559daaa4cf26 clang::Parser::ParseDeclGroup()
@ 0x559daaa4b310 clang::Parser::ParseSimpleDeclaration()
@ 0x559daaa4aa30 clang::Parser::ParseDeclaration()
@ 0x559daaa96433
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9f8f3 clang::Parser::ParseCompoundStatementBody()
@ 0x559daaa94f57
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9b8c0 clang::Parser::ParseForStatement()
@ 0x559daaa94e07
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9f8f3 clang::Parser::ParseCompoundStatementBody()
@ 0x559daaa94f57
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9b8c0 clang::Parser::ParseForStatement()
@ 0x559daaa94e07
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9f8f3 clang::Parser::ParseCompoundStatementBody()
@ 0x559daaa94f57
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9b8c0 clang::Parser::ParseForStatement()
@ 0x559daaa94e07
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
@ 0x559daaa9428e clang::Parser::ParseStatementOrDeclaration()
@ 0x559daaa9f8f3 clang::Parser::ParseCompoundStatementBody()
@ 0x559daaaa0c70 clang::Parser::ParseFunctionStatementBody()
@ 0x559daa9d361c clang::Parser::ParseFunctionDefinition()
@ 0x559daaa4d89b clang::Parser::ParseDeclGroup()
@ 0x559daa9d1ea8 clang::Parser::ParseDeclOrFunctionDefInternal()
@ 0x559daa9d13d2 clang::Parser::ParseDeclarationOrFunctionDefinition()
@ 0x559daa9d0106 clang::Parser::ParseExternalDeclaration()
@ 0x559daaa1fba7 clang::Parser::ParseInnerNamespace()
@ 0x559daaa1eee4 clang::Parser::ParseNamespace()
@ 0x559daaa4ac0c clang::Parser::ParseDeclaration()
@ 0x559daa9cfc6a clang::Parser::ParseExternalDeclaration()
@ 0x559daaa1fba7 clang::Parser::ParseInnerNamespace()
@ 0x559daaa1eee4 clang::Parser::ParseNamespace()
@ 0x559daaa4ac0c clang::Parser::ParseDeclaration()
@ 0x559daa9cfc6a clang::Parser::ParseExternalDeclaration()
@ 0x559daaa1fba7 clang::Parser::ParseInnerNamespace()
@ 0x559daaa1eee4 clang::Parser::ParseNamespace()
@ 0x559daaa4ac0c clang::Parser::ParseDeclaration()
@ 0x559daa9cfc6a clang::Parser::ParseExternalDeclaration()
@ 0x559daa9ce198 clang::Parser::ParseTopLevelDecl()
@ 0x559daa9c96cf clang::ParseAST()
@ 0x559daa6df6f4 clang::FrontendAction::Execute()
@ 0x559daa64c719 clang::CompilerInstance::ExecuteAction()
@ 0x559da93ccb6f clang::ExecuteCompilerInvocation()
@ 0x559da93c9961 cc1_main()
@ 0x559da93bbd73 ExecuteCC1Tool()
@ 0x559daa82c5f8 llvm::function_ref<>::callback_fn<>()
@ 0x559daf9bc0a1 llvm::CrashRecoveryContext::RunSafely()
@ 0x559daa82bbe1 clang::driver::CC1Command::Execute()
@ 0x559daa7eb126 clang::driver::Compilation::ExecuteCommand()
@ 0x559daa7eb45c clang::driver::Compilation::ExecuteJobs()
@ 0x559daa807322 clang::driver::Driver::ExecuteCompilation()
@ 0x559da93bb3d2 clang_main()
@ 0x559da93b963e main
@ 0x7f7e14d5b3d4 __libc_start_main
@ 0x559da93b952a _start
```
https://github.com/llvm/llvm-project/pull/94981
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