diff --git a/manifest b/manifest
index 663513ead7..9dc48272fc 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\san\sALWAYS()\sto\sa\sconditional\swhich\sis\sapparently\salways\strue.
-D 2019-12-30T23:41:59.425
+C Back\sout\sthe\sNEVER()\sfrom\scheck-in\s[40d10e7aad5b8992]\sbecause\sit\sis\sreachable\nafter\sall.\sTicket\s[892575cdba4e1e36]
+D 2019-12-30T23:50:19.979
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -480,7 +480,7 @@ F src/date.c e1d8ac7102f3f283e63e13867acb0efa33861cf34f0faf4cdbaf9fa7a1eb7041
 F src/dbpage.c 135eb3b5e74f9ef74bde5cec2571192c90c86984fa534c88bf4a055076fa19b7
 F src/dbstat.c 6c407e549406c10fde9ac3987f6d734459205239ad370369bc5fcd683084a4fa
 F src/delete.c a5c59b9c0251cf7682bc52af0d64f09b1aefc6781a63592c8f1136f7b73c66e4
-F src/expr.c e3bfa38e343dd9181aca4b08f989738200ff6663fcb701c70e93b787ff1e0ddb
+F src/expr.c 3584e19c222f94cd0bb9070318ad270c3ca0d4fe235a6f70a198f16d8faf976f
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c 92a248ec0fa4ed8ab60c98d9b188ce173aaf218f32e7737ba77deb2a684f9847
 F src/func.c ed33e38cd642058182a31a3f518f2e34f4bbe53aa483335705c153c4d3e50b12
@@ -1265,7 +1265,7 @@ F test/round1.test 768018b04522ca420b1aba8a24bd76091d269f3bce3902af3ec6ebcee41ab
 F test/rowallock.test 3f88ec6819489d0b2341c7a7528ae17c053ab7cc
 F test/rowhash.test 0bc1d31415e4575d10cacf31e1a66b5cc0f8be81
 F test/rowid.test bfbd7b97d9267660be3c8f28507c4ed7f205196b8877c0db42df347c2e8845e3
-F test/rowvalue.test c39cc0be5e33f5294fc9224216198d6709d713ea948fdf8f42d89568e97912c9
+F test/rowvalue.test 8964f95b253d3b5cc8dc1cfd0cdb7529bce3ecc6b6259e23c5f829f80f4d51cd
 F test/rowvalue2.test 060d238b7e5639a7c5630cb5e63e311b44efef2b
 F test/rowvalue3.test 3068f508753af69884b12125995f023da0dbb256
 F test/rowvalue4.test 02e35f7762371c2f57ebd856aa056eac56cb27ef7715a0bb31eac1895a745356
@@ -1853,7 +1853,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 40d10e7aad5b899206e45d1f8606470a90a07049e15d94c3811cfe695f3a402e
-R aa5bb4045459c7f606ee53e4249654f3
+P ea44c607b8038999a6bda4d761d95056aa4058d6c2891b7eee0715a50e703490
+Q -40d10e7aad5b899206e45d1f8606470a90a07049e15d94c3811cfe695f3a402e
+R fb8caaf3c1f7f4ac274fedc1a2aaaab0
 U drh
-Z 1a7ba8606ff1703aee99c8e566e0a179
+Z 49bc6be55a18b187cf6676db3f8cc0a3
diff --git a/manifest.uuid b/manifest.uuid
index 8bc8e822b4..fe39121793 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-ea44c607b8038999a6bda4d761d95056aa4058d6c2891b7eee0715a50e703490
\ No newline at end of file
+f481636f1a0333c6e98906e5d4433bf1d046380bc29c760e8e7e2c2b3530b956
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index b7be52dc2f..e0a03d956f 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -594,7 +594,7 @@ static void codeVectorCompare(
   int addrDone = sqlite3VdbeMakeLabel(pParse);
   int isCommuted = ExprHasProperty(pExpr,EP_Commuted);
 
-  if( NEVER(pParse->nErr) ) return;
+  if( pParse->nErr ) return;
   if( nLeft!=sqlite3ExprVectorSize(pRight) ){
     sqlite3ErrorMsg(pParse, "row value misused");
     return;
diff --git a/test/rowvalue.test b/test/rowvalue.test
index f0a32b18c7..e3b66a1096 100644
--- a/test/rowvalue.test
+++ b/test/rowvalue.test
@@ -636,7 +636,12 @@ do_execsql_test 26.30 {
   SELECT 3 FROM t1 LEFT JOIN t0 WHERE (c0, x'') != (NULL, 0);
 } {3}
 
-
-
+# 2019-12-30 ticket 892575cdba4e1e36
+#
+reset_db
+do_catchsql_test 27.10 {
+  CREATE TABLE t0(c0 CHECK(((0, 0) > (0, c0))));
+  INSERT INTO t0(c0) VALUES(0) ON CONFLICT(c0) DO UPDATE SET c0 = 3;
+} {1 {ON CONFLICT clause does not match any PRIMARY KEY or UNIQUE constraint}}
 
 finish_test