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Dial back -Wimplicit-fallthrough to level 3

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The additional pain from level 4 is excessive for the gain.

Also revert all the source annotation changes to their original
wordings, to avoid back-patching pain.

Discussion: https://postgr.es/m/31166.1589378554@sss.pgh.pa.us
This commit is contained in:
Alvaro Herrera
2020-05-13 15:31:14 -04:00
parent 81ca868630
commit 17cc133f01
34 changed files with 194 additions and 199 deletions
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4
src/backend/optimizer/util/clauses.c
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@@ -1582,7 +1582,7 @@ find_nonnullable_rels_walker(Node *node, bool top_level)
* the intersection of the sets of nonnullable rels, just as
* for OR. Fall through to share code.
*/
/* FALLTHROUGH */
/* FALL THRU */
case OR_EXPR:
/*
@@ -1807,7 +1807,7 @@ find_nonnullable_vars_walker(Node *node, bool top_level)
* the intersection of the sets of nonnullable vars, just as
* for OR. Fall through to share code.
*/
/* FALLTHROUGH */
/* FALL THRU */
case OR_EXPR:
/*