[Issue 7184] parse error on *(x)++

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=7184

--- Comment #7 from Simen Kjaeraas <simen.kjaras at gmail.com> ---
Unsurprisingly, the function call variant is somewhat unfixable. (T)(a+b) is a
very common cast in C, and looks a lot like a function call where T is a
function. Even (T)(1,2,3) is valid C.

It would probably be possible to make this an error at a later point - when we
know that the content of the parentheses does evaluate to a type.

Anyways, PR: https://github.com/dlang/dmd/pull/7281

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