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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/107378] `get_if` implementation "is not a constant
 expression"
Date: Mon, 24 Oct 2022 16:55:37 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107378

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase without any headers:
```
struct g
{
  char a;
};
constexpr bool f(const char *a) { return a !=3D nullptr; }
static_assert([v =3D g{}] { return f(&v.a); }());
```

This works with clang.
But MSVC rejects it ...=