Defer checking for null in the comparison operators, since that is an

uncommon case.

FossilOrigin-Name: 5684525613961fed9db6a4d10dbe25521201b24f08e011df3a20ac895316957d

manifest

@@ -1,5 +1,5 @@
-C Do\snot\sallow\sa\sMem\sobject\sto\sbe\sboth\sNULL\sand\ssome\sother\stype\sat\sthe\ssame\stime.
-D 2017-04-17T20:50:34.840
+C Defer\schecking\sfor\snull\sin\sthe\scomparison\soperators,\ssince\sthat\sis\san\nuncommon\scase.
+D 2017-04-17T23:23:17.393
 F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 6a8c838220f7c00820e1fc0ac1bccaaa8e5676067e1dbfa1bafa7a4ffecf8ae6
@@ -469,7 +469,7 @@ F src/update.c c443935c652af9365e033f756550b5032d02e1b06eb2cb890ed7511ae0c051dc
 F src/utf.c 699001c79f28e48e9bcdf8a463da029ea660540c
 F src/util.c ca8440ede81e155d15cff7c101654f60b55a9ae6
 F src/vacuum.c 1fe4555cd8c9b263afb85b5b4ee3a4a4181ad569
-F src/vdbe.c 51c6e166aa208882f28647c2fe59b71326b401f5a45bd5a2f1d3054aa08b33fd
+F src/vdbe.c 11604e6c5d350a2c3b820130246c894de5a97d675a16f9825e88839fb9282eb3
 F src/vdbe.h f7d1456e28875c2dcb964056589b5b7149ab7edf39edeca801596a39bb3d3848
 F src/vdbeInt.h c070bc5c8b913bda0ceaa995cd4d939ded5e4fc96cf7c3c1c602d41b871f8ade
 F src/vdbeapi.c 5b08d82592bcff4470601fe78aaabebd50837860
@@ -1575,7 +1575,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 69f51f838abcf57b35e41f7a10fbb45f56536f93825aac865debc3c8315930be
-R 64888a299504d2f3a6ae0f4b59c9c8bb
+P e698db1956bb3aba32cd3ec633ec20f5d19b1a10bc68d3772903bca3c87ee158
+R d9474093122e32538bb559c220a1d671
 U drh
-Z cefc6e2d5ac1cd873685a6b283e84cfc
+Z 5309f4dbe4f5abfd0a4417ec6708da32

manifest.uuid

@@ -1 +1 @@
-e698db1956bb3aba32cd3ec633ec20f5d19b1a10bc68d3772903bca3c87ee158
+5684525613961fed9db6a4d10dbe25521201b24f08e011df3a20ac895316957d

src/vdbe.c

@@ -1495,7 +1495,6 @@ case OP_Remainder: {           /* same as TK_REM, in1, in2, out3 */
   type2 = numericType(pIn2);
   pOut = &aMem[pOp->p3];
   flags = pIn1->flags | pIn2->flags;
-  if( (flags & MEM_Null)!=0 ) goto arithmetic_result_is_null;
   if( (type1 & type2 & MEM_Int)!=0 ){
     iA = pIn1->u.i;
     iB = pIn2->u.i;
@@ -1519,6 +1518,8 @@ case OP_Remainder: {           /* same as TK_REM, in1, in2, out3 */
     }
     pOut->u.i = iB;
     MemSetTypeFlag(pOut, MEM_Int);
+  }else if( (flags & MEM_Null)!=0 ){
+    goto arithmetic_result_is_null;
   }else{
     bIntint = 0;
 fp_math: