Check XLogRecHasBlockRef() before XLogRecHasBlockImage().

Trial fix of buildfarm failures on kestrel and tamandua.

diff --git a/src/backend/access/transam/xlogstats.c b/src/backend/access/transam/xlogstats.c
index aff3069ecba1bee87b8a2cff5c0b86fa90103b4e..6524a1ad0b939590e6e04ef251ee17fb1399f92a 100644 (file)
--- a/src/backend/access/transam/xlogstats.c
+++ b/src/backend/access/transam/xlogstats.c
@@ -33,6 +33,9 @@ XLogRecGetLen(XLogReaderState *record, uint32 *rec_len,
        *fpi_len = 0;
        for (block_id = 0; block_id <= XLogRecMaxBlockId(record); block_id++)
        {
+               if (!XLogRecHasBlockRef(record, block_id))
+                       continue;
+
                if (XLogRecHasBlockImage(record, block_id))
                        *fpi_len += XLogRecGetBlock(record, block_id)->bimg_len;
        }