[LLVMbugs] [Bug 2942] New: FunctionDecls by typedef crash the C++ front-end

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2942

           Summary: FunctionDecls by typedef crash the C++ front-end
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: akyrtzi at gmail.com
                CC: llvmbugs at cs.uiuc.edu


e.g:

typedef void fn(int);
fn f;

There are no ParmVarDecls created for the 'f' FunctionDecl, and it crashes the
C++ front-end when trying to use the ParmVarDecls (mostly for handling default
args).

In C there is no problem since ParmVarDecls are used only for definitions,
otherwise FunctionTypeProto is used.


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