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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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// PR c++/94937 - ICE with -Wall and constexpr if.
// { dg-do compile { target c++17 } }
// { dg-options "-Wall" }

struct B {
  static constexpr bool foo() { return false; }
};

template<typename T>
struct C {
  static void bar ()
  {
    if constexpr (B::foo()) ;
  }
};