[LLVMbugs] [Bug 12724] New: invalid "redefinition of default argument" error at friend declaration in class template

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12724

             Bug #: 12724
           Summary: invalid "redefinition of default argument" error at
                    friend declaration in class template
           Product: clang
           Version: 3.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: tobias.preclik at informatik.uni-erlangen.de
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Consider the following code:

---- >8 ----
void friendly( bool param = true );

template<typename T>
class Foo {
public:
    friend void friendly( bool param );
};

Foo<int> foo;
---- >8 ----

Clang++ 3.0 produces the following compilation error:

---- >8 ----
foo.cpp:6:29: error: redefinition of default argument
        friend void friendly( bool param );
                                   ^
foo.cpp:9:10: note: in instantiation of template class 'Foo<int>' requested
here
Foo<int> foo;
         ^
foo.cpp:1:21: note: previous definition is here
void friendly( bool param = true );
                    ^       ~~~~
1 error generated.
---- >8 ----

I suspect this to be a bug.

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