[Issue 7968] Failing implicit cast, new in 2.059

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7968


timon.gehr at gmx.ch changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |timon.gehr at gmx.ch
         Resolution|                            |INVALID


--- Comment #1 from timon.gehr at gmx.ch 2012-04-22 11:51:45 PDT ---
(In reply to comment #0)
> The chaps on IRC seemed to think this was a bug and I should report it.

They were wrong.

void failCast(const(char)*[] arg) {
    arg[0] = "123".ptr;
}

void main() {
    char*[] x = ["234".dup.ptr];
    failCast(x); // if this passes then x[0] has type char*
    assert(x[0][0..3] == "123");  //  and points into the immutable data
segment
}

Change the signature of failCast to

void failCast(inout(char)*[] arg)

to get the desired semantics.

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