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Tweak ArrayCount() to forestall possible access to temp[-1]. Problem

cannot actually happen at present because ArrayCount() is only calledon strings beginning with '{', but seems best to prevent it going forward.Per report from Yichen Xie.

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src/backend/utils/adt
- arrayfuncs.c

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`‎src/backend/utils/adt/arrayfuncs.c`

Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.85 2002/11/13 00:39:47 momjian Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.86 2003/01/29 01:28:33 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -275,7 +275,7 @@ ArrayCount(char str, int dim, char typdelim)`
`275`	`275`	`{`
`276`	`276`	`intnest_level=0,`
`277`	`277`	`i;`
`278`		`-intndim=0,`
	`278`	`+intndim=1,`
`279`	`279`	`temp[MAXDIM];`
`280`	`280`	`boolscanning_string= false;`
`281`	`281`	`booleoArray= false;`

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Commit5fdb142

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`‎src/backend/utils/adt/arrayfuncs.c`

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