[LLVMbugs] [Bug 6716] New: Name lookup not finding friend function template definitions inside class template

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6716

           Summary: Name lookup not finding friend function template
                    definitions inside class template
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: dgregor at apple.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com,
                    rjmccall at apple.com


template<typename T, typename U = T>
struct X { };

template<typename T>
struct Y {
  template<typename U> friend void operator<<(X<T, U>&, const Y&) { }
};

void f(X<int, float> &x) {
  x << Y<int>();
}
terfin:clang dgregor$ clang++ t.C
t.C:10:5: error: invalid operands to binary expression ('X<int, float>' and
      'Y<int>')
  x << Y<int>();
  ~ ^  ~~~~~~~~
1 diagnostic generated.

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