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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/adt/formatting.c
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@ -3425,7 +3425,7 @@ DCH_from_char(FormatNode *node, const char *in, TmFromChar *out,
case DCH_FF5:
case DCH_FF6:
out->ff = n->key->id - DCH_FF1 + 1;
/* FALLTHROUGH */
/* fall through */
case DCH_US: /* microsecond */
len = from_char_parse_int_len(&out->us, &s,
n->key->id == DCH_US ? 6 :