[Issue 4746] New: CTFE regression + CTFE/normal execution differences (splitlines).

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=4746

           Summary: CTFE regression + CTFE/normal execution differences
                    (splitlines).
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: peter.alexander...@gmail.com


--- Comment #0 from Peter Alexander <peter.alexander...@gmail.com> 2010-08-28 
14:06:28 PDT ---
This is two bugs at once. The first is a regression in 2.048 from 2.047 where
splitlines is no longer CTFEable. The second is that, in 2.047, splitlines
doesn't work when CTFE'd.

// 2.048
void main()
{
    static auto s = splitlines("a\nb"); // Error: not CTFEable
    writeln(s[0]);
}

// 2.047
void main()
{
        auto s = splitlines("a\nb"); // Note non-static
    writeln(s[0]); // Writes 'a'... correct!
}

// 2.047
void main()
{
    static auto s = splitlines("a\nb"); // CTFE'd this time
    writeln(s[0]); // Writes nothing... incorrect!
}


Note that the 2.048 was run on Windows 7 and the 2.047 was run on Mac OS X Snow
Leopard.

Also note that string.split appears to have the same issue (was CTFEable in
2.047, but not in 2.048).

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