Yes. In perl 5.8.6+, the reverse is optimized away, but the range is still flattened. I don't see anything in the perl588delta which says this has since changed.
See lidden's Re^5: the '..' operator and decreasing values.
In reply to Re^5: Deleting specific element in array in FOREACH loop
by ikegami
in thread Deleting specific element in array in FOREACH loop
by awohld
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