Just came across the issue.
Only variables should be passed by reference drush.php:152

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#1 drush-1866894-0.patch749 bytesChi
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Chi’s picture

Chi CreditAttribution: Chi commented
Status: Active » Needs review
FileSize
drush-1866894-0.patch749 bytes
greg.1.anderson’s picture

greg.1.anderson CreditAttribution: greg.1.anderson commented
Status: Needs review » Fixed

Committed to 8.x-6.x and 7.x-5.x. Thanks.

Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for 2 weeks with no activity.