Ensure that the WAL code correctly handles all possible outcomes from the

walIndexPage() routine.

FossilOrigin-Name: 6979efbf07d93e7afad508165df684dcc6fe33b91ca772397c8afa00d16d1a0d

diff --cc manifest
index 154c787ff51a7fa3af9a1715dc88adb6152a2723,863ea96277c8e14f2bfe28a35dd4615c91550ec1..7abb13825ff7c06d1dcdafc51548eb4aad92c605
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C New\sassert()s\sto\shelp\sprove\scorrectness\sin\ssqlite3VdbeMemExpandBlob().
- D 2021-10-27T19:05:04.804
 -C Ensure\sthat\sall\spossible\soutcomes\sfor\swalIndexPage()\sare\saccounted\sfor\sby\ncallers.
 -D 2021-10-27T23:55:30.606
++C Ensure\sthat\sthe\sWAL\scode\scorrectly\shandles\sall\spossible\soutcomes\sfrom\sthe\nwalIndexPage()\sroutine.
++D 2021-10-28T00:09:31.896
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1929,7 -1929,7 +1929,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 947805719bc8629619af5358ad50a6365c01f8d9ceabfe8e4df947696d3819b3
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+ R fe9d125153f206ef4cb83374e184623d
++T +closed 12715c6b234a04627ca27e94bfa8bd456998360a9f0117480e0038f4747818d6
  U drh
- Z 847be2825d463962a46d3dd1feb437b1
 -Z 4e7264e2dc788c50ad6f39937abcf192
++Z b79ac0d17a59f6e7c71e03a206543e27

diff --cc manifest.uuid
index ed4a5f71266df4265e319827fc4e57128be1b048,baec424603e250acdaad6a9866b6fa874f62de92..11f72edd9cd20480ce766576d2691f8b45c81ea5
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 7238d58051bfdcea8f7a4aeab89145849d0659c987df9063aacafe97be6657fe
 -12715c6b234a04627ca27e94bfa8bd456998360a9f0117480e0038f4747818d6
++6979efbf07d93e7afad508165df684dcc6fe33b91ca772397c8afa00d16d1a0d