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Linker throws E_WARNING when trying to preg_match when an empty expression
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Alexia created this task.Apr 10 2018, 10:05 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 10 2018, 10:05 PM
Krinkle renamed this task from Linker throws E_WARNING when trying to preg_match when an empty expression. to Linker throws E_WARNING when trying to preg_match when an empty expression.Apr 12 2018, 12:47 AM

Change 425430 had a related patch set uploaded (by Alexia; owner: Alexia):
[mediawiki/core@master] Using preg_match with an empty expression throws E_WARNING.

https://gerrit.wikimedia.org/r/425430

Krinkle changed the task status from Open to Stalled.Apr 13 2018, 1:23 AM
Krinkle triaged this task as Normal priority.
Krinkle added a subscriber: Krinkle.

Marking as stalled per CR (it seems the warning is a symptom, not the underlying problem). Hiding the problem would result in link trails not working when they should be working, and it might also start a spreading pattern of patching all calls that relate to link trails (this one spot in Linker isn't going to be the only spot to fix).