[LLVMbugs] [Bug 13823] New: Crash on invalid: 'tagFromDeclSpec->isThisDeclarationADefinition()'

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13823

             Bug #: 13823
           Summary: Crash on invalid:
                    'tagFromDeclSpec->isThisDeclarationADefinition()'
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: paul.robinson at am.sony.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 9196
  --> http://llvm.org/bugs/attachment.cgi?id=9196
crash log

Compiling the following line all by itself:
    typedef struct ::sockaddr sockaddr_t;
gives me
    error: no struct named 'sockaddr' in the global namespace
which is fine, but then it crashes, which is not fine:

clang:
/home/probinson/projects/llvm-org-tip/llvm/tools/clang/lib/Sema/SemaDecl.cpp:8152:
clang::TypedefDecl* clang::Sema::ParseTypedefDecl(clang::Scope*,
clang::Declarator&, clang::QualType, clang::TypeSourceInfo*): Assertion
`tagFromDeclSpec->isThisDeclarationADefinition()' failed.

Curiously, taking out the 'struct' makes the crash go away.
Crash log attached.

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