pgsql-server/src/backend nodes/list.c optimize ...

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    02/12/16 20:18:38

Modified files:
    src/backend/nodes: list.c
    src/backend/optimizer/path: pathkeys.c
    src/backend/optimizer/plan: initsplan.c
    src/backend/parser: analyze.c
    src/backend/rewrite: rewriteHandler.c
    src/backend/utils/adt: selfuncs.c

Log message:
    To suppress memory leakage in long-lived Lists, lremove() should pfree
    the cons cell it's deleting from the list.  Do this, and fix a few callers
    that were bogusly assuming it wouldn't free the cons cell.