[llvm-bugs] [Bug 25179] New: clang (incorrectly) requires template keyword in non-dependent expression

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Oct 14 06:51:35 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=25179

            Bug ID: 25179
           Summary: clang (incorrectly) requires template keyword in
                    non-dependent expression
           Product: clang
           Version: 3.7
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: vanyacpp at gmail.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

I believe that in the following example "template" keyword is not required as
expression "f()" is not type dependent. It's a call to a function in current
instantiation and this can not be altered by any specialization.

class B
{
public:
    template<typename T>
    T f() {
        return T{};
    }
};

template<typename T>
class C
{
public:
    B f()
    {
        return{};
    }

    C()
    {
        f().template f<int>(); // here (!)
    }
};

int main()
{
    C<int> p;
}

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