[postgis-tickets] [PostGIS] #4383: Sanitizer warnings

[PostGIS]

#4383: Sanitizer warnings
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 Reporter:  Algunenano  |      Owner:  pramsey
     Type:  defect      |     Status:  new
 Priority:  medium      |  Milestone:  PostGIS 3.0.0
Component:  postgis     |    Version:  trunk
 Keywords:              |
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 While investigating #4381 I've come up with a bunch of warnings from using
 different sanitizers from the ones we have already setup in Travis.

 There are both memory issues (mostly false positives) as implicit integer
 conversions that might mean a change in value.

 WIP in https://github.com/postgis/postgis/pull/395 but I might push
 commits individually for clarity and only backport those where I'm
 positive it can be an issue.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4383>
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