[LLVMbugs] [Bug 6948] New: Assertion 'queried property of class with no definition' on invalid code

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6948

           Summary: Assertion 'queried property of class with no
                    definition' on invalid code
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: chris at bubblescope.net
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


The following invalid code makes clang++ segfault with:

clang:
/home/caj/llvm/tools/clang/lib/CodeGen/../../include/clang/AST/DeclCXX.h:317:
const clang::CXXRecordDecl::DefinitionData& clang::CXXRecordDecl::data() const:
Assertion `DefinitionData && "queried property of class with no definition"'
failed.



 template<typename _CharT>     class basic_string;

       int main() {
          basic_string<char> str (read_from_file());
       }

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