[Issue 20821] Aliased template method confuses overload resolution

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20821

--- Comment #3 from Basile-z <b2.temp at gmx.com> ---
maybe this report is invalid after all, try

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struct S {
    int gun()(int i) { return 0; }
    alias fun() = gun; // note the parens...
    int fun() { return 1; }
}

static assert(S().fun == 1);       // OK
static assert(S().fun!()(0) == 0); // OK
static assert(__traits(getOverloads, S, "fun", true).length == 2); // OK
---

Maybe that the alias template parameters could be implictly created when the
alias RHS is not specialized.

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