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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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2
src/backend/utils/hash/dynahash.c
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@@ -1042,7 +1042,7 @@ hash_search_with_hash_value(HTAB *hashp,
case HASH_ENTER_NULL:
/* ENTER_NULL does not work with palloc-based allocator */
Assert(hashp->alloc != DynaHashAlloc);
/* FALLTHROUGH */
/* FALL THRU */
case HASH_ENTER:
/* Return existing element if found, else create one */