[Issue 18508] Using statement without effect should error

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18508

Steven Schveighoffer <schveiguy at yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |schveiguy at yahoo.com

--- Comment #2 from Steven Schveighoffer <schveiguy at yahoo.com> ---
It is supposed to be illegal to use the result of a comma expression. See here:
https://dlang.org/spec/expression.html#expression

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