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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/misc/guc.c
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@ -8436,7 +8436,7 @@ ExecSetVariableStmt(VariableSetStmt *stmt, bool isTopLevel)
case VAR_SET_DEFAULT:
if (stmt->is_local)
WarnNoTransactionBlock(isTopLevel, "SET LOCAL");
/* FALLTHROUGH */
/* fall through */
case VAR_RESET:
if (strcmp(stmt->name, "transaction_isolation") == 0)
WarnNoTransactionBlock(isTopLevel, "RESET TRANSACTION");