[Issue 12177] New: inout(Cycle!(string[2])) implicit cast problem

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12177

           Summary: inout(Cycle!(string[2])) implicit cast problem
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2014-02-15 03:32:49 PST ---
I think this used to work until recently:


void main() {
    import std.range;
    foreach (s; recurrence!q{a[n - 1] ~ a[n - 2]}("1", "0")) {}
}


With DMD 2.065beta3 gives:

..\dmd2\src\phobos\std\range.d(4424,21): Error: cannot implicitly convert
expression ((nothrow Cycle!(string[2]) __ctmp1475 = 0;

 , __ctmp1475).this(*cast(string[2]*)this._ptr, this._index + i)) of type
Cycle!(string[2]) to inout(Cycle!(string[2]))

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