[Issue 23743] New: wrong code with `foreach`, `ubyte`, `>=`, ternary operator

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23743

          Issue ID: 23743
           Summary: wrong code with `foreach`, `ubyte`, `>=`, ternary
                    operator
           Product: D
           Version: D2
          Hardware: x86_64
                OS: All
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: ag0aep6g at gmail.com

void main()
{
    ubyte[] a = [1];
    foreach (x; a)
    {
        ubyte v = x >= 1 ? 255 : 0;
        assert(v == 255); /* fails; should pass */
    }
}

dmd2.102.1, Windows, -m64: fail
dmd2.102.1, Windows, -m32: pass
dmd2.102.1, Windows, -m32mscoff: pass

run.dlang.io, all dmd versions (2.062, ..., 2.101.2): fail
run.dlang.io, ldc: pass

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