[llvm-bugs] [Bug 37680] New: Assertion failure in clang::ASTContext::getOverloadedTemplateName()

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37680

            Bug ID: 37680
           Summary: Assertion failure in
                    clang::ASTContext::getOverloadedTemplateName()
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: alexfh at google.com
                CC: llvm-bugs at lists.llvm.org

$ cat test-ASTContext__getOverloadedTemplateName.cc
template <class a>
class b {
  using a::add;
  template <int>
  void add() {
    this->template add;
  }
};
$ ./clang-tidy -checks=-*,bugprone-argument-comment
test-ASTContext__getOverloadedTemplateName.cc -- -std=c++11
assert.h assertion failed at llvm/tools/clang/lib/AST/ASTContext.cpp:7267 in
clang::TemplateName
clang::ASTContext::getOverloadedTemplateName(clang::UnresolvedSetIterator,
clang::UnresolvedSetIterator) const: isa<FunctionTemplateDecl>(D) ||
(isa<UsingShadowDecl>(D) && isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))
    @     0x55d955bfccb6  __assert_fail
    @     0x55d95481c69c  clang::ASTContext::getOverloadedTemplateName()
    @     0x55d953f8e5da  clang::Sema::isTemplateName()
    @     0x55d953fa8245  clang::Sema::ActOnDependentTemplateName()
    @     0x55d953e317d7  clang::Parser::ParseUnqualifiedId()
    @     0x55d953e3cc15  clang::Parser::ParsePostfixExpressionSuffix()
    @     0x55d953e3e2e5  clang::Parser::ParseCastExpression()
    @     0x55d953e3a4d4  clang::Parser::ParseAssignmentExpression()
    @     0x55d953e3a40e  clang::Parser::ParseExpression()
    @     0x55d953df7e17  clang::Parser::ParseExprStatement()
    @     0x55d953df6e1c 
clang::Parser::ParseStatementOrDeclarationAfterAttributes()
    @     0x55d953df69ae  clang::Parser::ParseStatementOrDeclaration()
    @     0x55d953dfddf5  clang::Parser::ParseCompoundStatementBody()
    @     0x55d953dfe6da  clang::Parser::ParseFunctionStatementBody()
    @     0x55d953df58ef  clang::Parser::ParseLexedMethodDef()
    @     0x55d953df464a  clang::Parser::ParseLexedMethodDefs()
    @     0x55d953e503ce  clang::Parser::ParseCXXMemberSpecification()
    @     0x55d953e4e8c2  clang::Parser::ParseClassSpecifier()
    @     0x55d953e65231  clang::Parser::ParseDeclarationSpecifiers()
    @     0x55d953dec2bc  clang::Parser::ParseSingleDeclarationAfterTemplate()
    @     0x55d953debc14 
clang::Parser::ParseTemplateDeclarationOrSpecialization()
    @     0x55d953deb5b1  clang::Parser::ParseDeclarationStartingWithTemplate()
    @     0x55d953e648e0  clang::Parser::ParseDeclaration()
    @     0x55d953ddf6f6  clang::Parser::ParseExternalDeclaration()
    @     0x55d953ddeefb  clang::Parser::ParseTopLevelDecl()
    @     0x55d953ddeae8  clang::Parser::ParseFirstTopLevelDecl()
    @     0x55d953dda1a0  clang::ParseAST()
    @     0x55d953c2fa73  clang::FrontendAction::Execute()
    @     0x55d953ad2fc1  clang::CompilerInstance::ExecuteAction()

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