[Issue 2939] lazy evaluation not invoked for lambda function

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2939





------- Comment #4 from cristian at zerobugs.org  2009-05-05 02:24 -------
Here's a proposed fix: in expression.c, at line 693 (using 2.029 as a
reference) add a check to see if arg is already a delegate:

    if (arg->type->ty != Tdelegate) // <---- ADD THIS CHECK
        arg = arg->toDelegate(sc, p->type);


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