[PostGIS] #5785: ST_MapAlgebra segfaults when expression references a supernumerary rast argument

[PostGIS]

#5785: ST_MapAlgebra segfaults when expression references a supernumerary rast
argument
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  Reporter:  dmfay    |      Owner:  pramsey
      Type:  patch    |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.5.1
 Component:  postgis  |    Version:  3.4.x
Resolution:           |   Keywords:
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Changes (by dmfay):

 * Attachment "0001-fix-Prevent-ST_MapAlgebra-segfault-specifying-
 rast2-.patch" added.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5785>
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