[LLVMbugs] [Bug 5127] New: Non-type template arguments not parsed correctly in default arguments

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5127

           Summary: Non-type template arguments not parsed correctly in
                    default arguments
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: parser
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: sebastian.redl at getdesigned.at
                CC: llvmbugs at cs.uiuc.edu


A poster on comp.std.c++ brought up a bug in GCC where the compiler doesn't
compile this code:

template<typename T, int i> struct A {};                                        

struct B {                                                                      
     B(A<double, 0> arg = A<double, 0>()) {}
};

When I tried it out in Clang, I found that it won't compile it either. This is
really peculiar, since I really don't think anything is wrong with this. It
does compile if there is only one template parameter, but the comma is
apparently taken to end the argument.


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