https://bugs.exim.org/show_bug.cgi?id=2061
Bug ID: 2061
Summary: Initial $value in reduce being erased
Product: Exim
Version: 4.88
Hardware: x86
OS: All
Status: NEW
Severity: bug
Priority: medium
Component: String expansion
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 999
--> https://bugs.exim.org/attachment.cgi?id=999&action=edit
git bisect try script
Victor Ustugov reports on exim-users of an expansion which worked in 4.87.1 but
fails in 4.88 and 4.89RC6.
${reduce {b}{a aaa}{${extract{1}{ }{$value}} , $item}}
Should: a , b
Bad: , b
This tracked back to 20fcb1e7be45177beca2d433f54260843cc7c2f6
Reverting this commit resolves the issue, but:
(1) I don't understand why this is causing the issue, unless we're _relying_
upon `lookup_value = save_lookup` happening during the skipping-stage??
(2) It's unclear from history if this commit, in bug 1870, fixed a crash bug
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