[Issue 23976] std.range.slide fails in dmd-2.104.0

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23976

hsteoh at qfbox.info changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hsteoh at qfbox.info
           Severity|enhancement                 |regression

--- Comment #2 from hsteoh at qfbox.info ---
Ran into a similar problem today:

-----------
import std;
void main() {
        auto input = "1<2";
        foreach (pair; input.splitter("<").slide(2))
        {
                writeln(pair);
        }
}
-----------

Expected output:
-----------
["1", "2"]
-----------

Actual output:
-----------
["1", "2"]
["2"]
-----------

Digging into git history reveals that this is a regression caused by Phobos PR
#8738 (commit 8a9cfa2677).  Rolling back Phobos to the commit before 8a9cfa2677
causes the correct output to be produced.

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