Commitca2876a

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fix recovery of 3pc state record

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Original file line number	Diff line number	Diff line change
`@@ -1785,6 +1785,18 @@ RecreateTwoPhaseFile(TransactionId xid, void *content, int len)`
`1785`	`1785`	`COMP_CRC32C(statefile_crc,content,len);`
`1786`	`1786`	`FIN_CRC32C(statefile_crc);`
`1787`	`1787`
	`1788`	`+/*`
	`1789`	`+ * 3PC hacky support. Xid for xlog record is set during xlog insert`
	`1790`	`+ * via GetCurrentTransactionIdIfAny() call. However this tx isn't already`
	`1791`	`+ * active so allow it to be zero in xlog, but override here during recovery`
	`1792`	`+ * so the file name will be valid xid.`
	`1793`	`+ */`
	`1794`	`+if (!TransactionIdIsValid(xid))`
	`1795`	`+{`
	`1796`	`+Assert((((TwoPhaseFileHeader)content)->state_3pc)!='\0');`
	`1797`	`+xid= ((TwoPhaseFileHeader*)content)->xid;`
	`1798`	`+}`
	`1799`	`+`
`1788`	`1800`	`TwoPhaseFilePath(path,xid);`
`1789`	`1801`
`1790`	`1802`	`fd=OpenTransientFile(path,`

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