[Issue 9766] New: align(n) with n compile-time constant

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=9766

           Summary: align(n) with n compile-time constant
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: bearophile_h...@eml.cc


--- Comment #0 from bearophile_h...@eml.cc 2013-03-20 11:10:12 PDT ---
enum uint myAlignment = 16;
align(myAlignment) struct Foo {}
void main() {}


DMD 2.063alpha gives:

temp.d(2): Error: positive integer expected, not myAlignment


With this a single compile-time constant change is enough to modify at the same
time and in the same way for different CPUs various alignments in the code.
It's good to be more DRY and avoid magic constants.

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