[Issue 19717] ICE/segfault when using __traits(getMember) on overloaded function with "undefined identifier" error

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19717

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
That's a forward ref not detected. If you put the enum decl after foo()
overloads it exits with a normal program error.

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