Rearrange the code in the VDBE to help out the C-compiler optimizer.

And fix a harmless compiler warning.

FossilOrigin-Name: 219b39e149a0334b577e094e066e1ca2fe686b408468e9f196611490f3a82810

diff --cc manifest
index 77f938b151da913ef4d7d3e77a3a7d65d6190f04,9aa847208df6141c49baf3f4c08c7fbc17af939f..b46cf2db83656cba93ace1d5d765705fb5551b1c
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\sproblem\swith\sOPEN_REUSE_SCHEMA\sconnections\sreloading\sthe\stemp\sschema.
- D 2019-02-13T08:40:34.055
 -C Performance\soptimization\sin\sthe\sVDBE,\sand\sa\sfix\sfor\sa\sharmless\scompiler\nwarning.
 -D 2019-02-13T13:48:48.604
++C Rearrange\sthe\scode\sin\sthe\sVDBE\sto\shelp\sout\sthe\sC-compiler\soptimizer.\nAnd\sfix\sa\sharmless\scompiler\swarning.
++D 2019-02-13T14:06:56.682
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F Makefile.in 56456706c4da271309914c756c9c8ea537685f1c79f8785afa72f968d6810482
@@@ -1808,7 -1808,10 +1808,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 8c07b609fccc43795498b942c733896defd8887e4ddd9e0ef48c124dfcf9fd7f
- R 765b6e0bdb51edd5b378e5259607a03d
- U dan
- Z c13672cd797193c9057764ed19647533
 -P 7c2ec2d4cfcda9c0aa6d57bd9a12ff98b78e648533d49da27f91d5a37bf1e001
++P 7c2ec2d4cfcda9c0aa6d57bd9a12ff98b78e648533d49da27f91d5a37bf1e001 e002666ac79c3452a772323c6ecc696104341cd842e77541553ec028f188096b
+ R 874fe30becc1a5c03c09070b47052542
 -T *branch * reuse-schema-vdbe-opt
 -T *sym-reuse-schema-vdbe-opt *
 -T -sym-reuse-schema *
++T +closed e002666ac79c3452a772323c6ecc696104341cd842e77541553ec028f188096b
+ U drh
 -Z 98b88b6e43c9abf2e2da117ac8e7a62c
++Z 3bb7116d31fbb0c3e5ef362100dea8a9

diff --cc manifest.uuid
index c092348ad2f6629fd7b91709822b719944db7fc9,82b709ee6a73e026218f9792e822f86fb88dc10a..3005f7287e218e4176d1edbae7cdc3a999f29842
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 7c2ec2d4cfcda9c0aa6d57bd9a12ff98b78e648533d49da27f91d5a37bf1e001
 -e002666ac79c3452a772323c6ecc696104341cd842e77541553ec028f188096b
++219b39e149a0334b577e094e066e1ca2fe686b408468e9f196611490f3a82810