[Issue 9017] New: __traits(compiles, { enum e = <expression tuple>; }) is true but code doesn't compile

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9017

           Summary: __traits(compiles, { enum e = <expression tuple>; })
                    is true but code doesn't compile
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: verylonglogin.reg at gmail.com


--- Comment #0 from Denis Shelomovskij <verylonglogin.reg at gmail.com> 2012-11-13 10:27:10 MSK ---
---
template X(Args...)
{
    static if(__traits(compiles, { enum e = Args; }))
        enum e = Args;
}
alias X!0 X0; // line 7
---

Output:
---
main.d(7): Error: cannot cast int to (int)
main.d(7): Error: template instance main.X!(0) error instantiating
---

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