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Commita1fe82d

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Silence another gcc 11 warning.
Per buildfarm and local experimentation, bleeding-edge gcc isn'tconvinced that the MemSet in reorder_function_arguments() is safe.Shut it up by adding an explicit check that pronargs isn't negative,and by changing MemSet to memset. (It appears that either change isenough to quiet the warning at -O2, but let's do both to be sure.)This back-patches commit1046dbe into out-of-support branches,pursuant to newly-established project policy. The point is tosuppress scary-looking warnings so that people building thesebranches needn't expend brain cells verifying that it's safeto ignore the warnings.Discussion:https://postgr.es/m/d0316012-ece7-7b7e-2d36-9c38cb77cb3b@enterprisedb.com
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‎src/backend/optimizer/util/clauses.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3873,9 +3873,9 @@ reorder_function_arguments(List *args, HeapTuple func_tuple)
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inti;
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Assert(nargsprovided <=pronargs);
3876-
if (pronargs>FUNC_MAX_ARGS)
3876+
if (pronargs<0||pronargs>FUNC_MAX_ARGS)
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elog(ERROR,"too many function arguments");
3878-
MemSet(argarray,0,pronargs*sizeof(Node*));
3878+
memset(argarray,0,pronargs*sizeof(Node*));
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/* Deconstruct the argument list into an array indexed by argnumber */
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i=0;

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