File: nontype-class4a.C

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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// { dg-do compile { target c++20 } }
// { dg-additional-options "-fabi-version=0 -fabi-compat-version=0 -Wabi=18" }

template <class T>
struct A {
  constexpr A(T) {}
  // auto operator<=> (const A&) = default;
};
template <A a> void f();	// { dg-warning "mangled name" }

int main()
{
  constexpr A a = 1;
  f<a>();
  f<1>();
}

// { dg-final { scan-assembler "_Z1fITn1AXtlS0_IiEEEEvv" } }