[Issue 10804] regression(2.063=>2.064) problem with Appender or dmd?

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10804


Kenji Hara <k.hara.pg at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code


--- Comment #1 from Kenji Hara <k.hara.pg at gmail.com> 2013-08-13 05:08:37 PDT ---
This regression is caused by recent Appender change:
https://github.com/D-Programming-Language/phobos/commit/4da1639c98cb73d07858b17c2d225063889e4700
, but essentialy this is a dmd bug.

Reduced case:

string identity(string a) { return a; }
string fun()
{
    char[] s;
    s.length = 14;
    s[0 .. 14] = "identity(`Ω`)"[];
    return cast(string)s;
}

void main()
{
    enum a1 = "identity(`Ω`)";
    enum a2 = fun();    // fun() returns a string which originally mutable
array
    static assert(cast(ubyte[])mixin(a1) == [0xCE, 0xA9]);
    static assert(cast(ubyte[])mixin(a2) == [0xCE, 0xA9]);  // fails!
}

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