For example, the following would fail to compile because Call tries to
return a result:

struct Class
{
    static void Foo()
    {
    }
};

Function<Void()> function;
{
    Call(SomeClass::Foo);
    Return();
}

Bug: b/142132927
Change-Id: I249144aabae1dcfc4cb04a174ae698445be382d2
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/37268
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Tested-by: Antonio Maiorano <amaiorano@google.com>