https://bugs.llvm.org/show_bug.cgi?id=36374
Bug ID: 36374
Summary: redifinition of friend function doesn't result in
error
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: timshe...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
template <typename Derived>
struct A {
friend Derived operator+(const Derived& a, const Derived& b) {
return Derived(a, b);
}
};
struct B : A<B> {
B() = default;
B(B, B) {}
friend B operator+(const B& a, const B& b) { return B(a, b); }
};
void Foo() {
B a, b, c = a + b;
(void)c;
}
The example above should not compile, as there are two definitions for the
operator+.
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