diff --git a/ext/session/sqlite3session.c b/ext/session/sqlite3session.c
index ecc7644d74..a14172df3f 100644
--- a/ext/session/sqlite3session.c
+++ b/ext/session/sqlite3session.c
@@ -1837,7 +1837,7 @@ static int sessionBufferGrow(SessionBuffer *p, size_t nByte, int *pRc){
     i64 nNew = p->nAlloc ? p->nAlloc : 128;
     do {
       nNew = nNew*2;
-    }while( (nNew-p->nBuf)<nByte );
+    }while( (size_t)(nNew-p->nBuf)<nByte );
 
     aNew = (u8 *)sqlite3_realloc64(p->aBuf, nNew);
     if( 0==aNew ){
diff --git a/manifest b/manifest
index ddbd09314c..a0a8f67803 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Update\sRBU\sso\sthat\sit\ssupports\sindexes\son\sexpressions.
-D 2019-07-26T20:33:23.040
+C Fix\sharmless\scompiler\swarning\sseen\swith\sMSVC\sfor\sx64.
+D 2019-07-29T02:49:14.543
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -436,7 +436,7 @@ F ext/session/sessioninvert.test ae1a003a9ab1f8d64227dbb5c3a4c97e65b561b01e7b295
 F ext/session/sessionrebase.test ccfa716b23bd1d3b03217ee58cfd90c78d4b99f53e6a9a2f05e82363b9142810
 F ext/session/sessionstat1.test 218d351cf9fcd6648f125a26b607b140310160184723c2666091b54450a68fb5
 F ext/session/sessionwor.test 67b5ab91d4f93ce65ff1f58240ac5ddf73f8670facc1ffa49cef56293d52818d
-F ext/session/sqlite3session.c 3d9d3a414be386b87d83e642f4d93c8cbe83fe7b975d17b398f96caa1bfdc2cf
+F ext/session/sqlite3session.c a4dfb372f270df93422b0dc7666fd46849e6979b62a152f11287c21eed4ac21b
 F ext/session/sqlite3session.h 919be6649d39d6413ce7a63fc3e3bca3270e18bc2d57ad4040a70007b9e54397
 F ext/session/test_session.c 98797aba475a799376c9a42214f2d1debf2d0c3cb657d9c8bbf4f70bf3fb4aec
 F ext/userauth/sqlite3userauth.h 7f3ea8c4686db8e40b0a0e7a8e0b00fac13aa7a3
@@ -1838,7 +1838,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P e1ccf211aa975a6688a27f7dc4cea80784ed8dcfe1950b2fa6eb0a3cb938838a
-R d25f513b3e1c94b2e54a2b873df68d96
-U dan
-Z 99e04d0115a0c5741a15100c0c189bee
+P 6bfa44da226fd758a2ee924d1e8e3a742b0635b6d3f922a4a7919cb14b2418e6
+R 69f369c65d95cf34dd4661c4aa31a538
+U mistachkin
+Z 9922f1926c2e491323a211473a67d4a9
diff --git a/manifest.uuid b/manifest.uuid
index 77ff56a6b1..2d6b4299c6 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-6bfa44da226fd758a2ee924d1e8e3a742b0635b6d3f922a4a7919cb14b2418e6
\ No newline at end of file
+857b2ba6d05d6f5a8cfdf269bae9005b25e1903ab9dc6b70546979d8c633f03b
\ No newline at end of file