Fix harmless compiler warnings seen with MSVC.

FossilOrigin-Name: dc7938d2d715301595dee2fac6880af3716c4b3d1cbe7c3578d7fd30ba146a23

manifest

@@ -1,5 +1,5 @@
-C Update\stest\shelper\sprocedure\s'get_pwd'\sto\shandle\sthe\sComSpec\senvironment\svariable\sbeing\sabsent.
-D 2021-01-18T19:27:56.252
+C Fix\sharmless\scompiler\swarnings\sseen\swith\sMSVC.
+D 2021-01-18T19:28:56.733
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -501,7 +501,7 @@ F src/hash.c 8d7dda241d0ebdafb6ffdeda3149a412d7df75102cecfc1021c98d6219823b19
 F src/hash.h 9d56a9079d523b648774c1784b74b89bd93fac7b365210157482e4319a468f38
 F src/hwtime.h cb1d7e3e1ed94b7aa6fde95ae2c2daccc3df826be26fc9ed7fd90d1750ae6144
 F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
-F src/insert.c c5e0c25cfb9960d9b7d49043de6adc12748853bc6dea76f5adef059e366f2f70
+F src/insert.c 9b970eff058a858fbd9f2db71425ef195942c2610855daa66ae23024432d52f5
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 8c9c8cd2bd8eecdb06d9b6e89de7e9e65bae45cc8fc33609cc74023a5c296067
 F src/main.c 1c5de7b3fabcdf05f4fe563aab5d81d175b89c67a8678a12ba86629356afa356
@@ -612,7 +612,7 @@ F src/upsert.c df8f1727d62b5987c4fd302cd4d7c0c84ae57cd65683c5a34a740dfe24039235
 F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
 F src/util.c 41c7a72da1df47864faa378a1c720b38adb288c6838cb6be5594511b6287a048
 F src/vacuum.c 492422c1463c076473bae1858799c7a0a5fe87a133d1223239447c422cd26286
-F src/vdbe.c 67de20067fa3a2ee8566342c751e941a2fe3fd88940fd9886ca5115f04165cce
+F src/vdbe.c fd3ae827dea9da118d22c172ad183888120070d4c709bd0a5a97af7749246783
 F src/vdbe.h 83603854bfa5851af601fc0947671eb260f4363e62e960e8a994fb9bbcd2aaa1
 F src/vdbeInt.h 3ca5e9fd6e095a8b6cf6bc3587a46fc93499503b2fe48951e1034ba9e2ce2f6e
 F src/vdbeapi.c c5e7cb2ab89a24d7f723e87b508f21bfb1359a04db5277d8a99fd1e015c12eb9
@@ -1897,7 +1897,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P c1862abb44873f06ec0d772469d8a2d128ae4670b1e98c2d97b0e2da18df9a04
-R 3b894a27798e4da33503e4ea0791a039
+P fe1979552f43e0526f16481457e01981f29707401f77079f9854a8d91b35b5a4
+R dc7be2ccd019ce776f5c5401443272a0
 U mistachkin
-Z 4d9421bedbee9a79d4853a9ab24d8edd
+Z dce87543665f3b6eb6e012303a5399fb

manifest.uuid

@@ -1 +1 @@
-fe1979552f43e0526f16481457e01981f29707401f77079f9854a8d91b35b5a4
+dc7938d2d715301595dee2fac6880af3716c4b3d1cbe7c3578d7fd30ba146a23

src/insert.c

@@ -1301,7 +1301,9 @@ void sqlite3Insert(
     sqlite3VdbeJumpHere(v, addrInsTop);
   }
 
+#ifndef SQLITE_OMIT_XFER_OPT
 insert_end:
+#endif /* SQLITE_OMIT_XFER_OPT */
   /* Update the sqlite_sequence table by storing the content of the
   ** maximum rowid counter values recorded while inserting into
   ** autoincrement tables.

src/vdbe.c

@@ -4909,8 +4909,10 @@ case OP_NewRowid: {           /* out2 */
   VdbeCursor *pC;        /* Cursor of table to get the new rowid */
   int res;               /* Result of an sqlite3BtreeLast() */
   int cnt;               /* Counter to limit the number of searches */
+#ifndef SQLITE_OMIT_AUTOINCREMENT
   Mem *pMem;             /* Register holding largest rowid for AUTOINCREMENT */
   VdbeFrame *pFrame;     /* Root frame of VDBE */
+#endif
 
   v = 0;
   res = 0;