[LLVMbugs] [Bug 13367] New: Variadic templates and static member initialization

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13367

             Bug #: 13367
           Summary: Variadic templates and static member initialization
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++11
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: fw at deneb.enyo.de
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 8902
  --> http://llvm.org/bugs/attachment.cgi?id=8902
crash.txt

The program below results in a crash, attached.  (I don't know if this
ill-formed.)

template <unsigned N>
struct Str {
  unsigned length;
  char buffer[N];
};

template <char ...Args>
struct Const {
  static const Str<sizeof(Args)> Data;
};

template <char ...Args>
const Str<sizeof(Args)> Const<Args...>::Data = {0, {Args...}};

template <char ...Args>
constexpr const char *
ArrayToConst()
{
  return Const<Args...>::Data.buffer;
}

int
main()
{
  ArrayToConst<'x', 0>();
}

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