Correctly handle an ORDER BY clause on an outer query when applying

the compound-subquery flattening optimization.  Ticket [89398880bcfff].
Also add the SQLITE_ENABLE_SELECTTRACE option for additional debugging
and analysis information about select statement processing.

FossilOrigin-Name: d5880abd63c83c88e135257373afa0a3fd88297e

diff --cc manifest
index 34532191e943d4480950790777485f630be85402,b1705d3f7dbece367b62708090fb3d6dc21c66c7..ddf26d66a17d1de43bfd2d0b9ecaac103731e169
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sthe\susage\sof\sthe\s_GNU_SOURCE\sand\s_BSD_SOURCE\smacros\sin\sthe\smain\ninternal\sheader\sfile,\ssqliteInt.h.\s\sSet\sHAVE_STRCHRNUL\sto\s1\sby\sdefault\son\nLinux\sonly.
- D 2014-09-20T00:35:05.099
 -C Add\stest\scases\sfor\sticket\s[89398880bcfff9].
 -D 2014-09-21T20:31:26.194
++C Correctly\shandle\san\sORDER\sBY\sclause\son\san\souter\squery\swhen\sapplying\nthe\scompound-subquery\sflattening\soptimization.\s\sTicket\s[89398880bcfff].\nAlso\sadd\sthe\sSQLITE_ENABLE_SELECTTRACE\soption\sfor\sadditional\sdebugging\nand\sanalysis\sinformation\sabout\sselect\sstatement\sprocessing.
++D 2014-09-21T22:31:52.593
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in cf57f673d77606ab0f2d9627ca52a9ba1464146a
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1198,8 -1199,7 +1199,8 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 544664cadfb4e504bc0b321c865d1ecb8a831e20 0fac2c045f47c7735af4eb68ced81d8b43622a1f
- R 8acbfeff4e0806bab5948d89d293bcf4
- T +closed 0fac2c045f47c7735af4eb68ced81d8b43622a1f
 -P 28d52c1c38d849f099bc777f5987d1ef89680c2a
++P 59e2c9df02d7e988c5ad44c560ead1e5288b12e7 9683e001ed38b41979220eef0bdfcb54df5f3191
+ R df45958fe8f93552efb788581c98f0f7
++T +closed 9683e001ed38b41979220eef0bdfcb54df5f3191
  U drh
- Z 03e6ed8cf11426837aa81912fc8917d5
 -Z e77b30925e1036bea887cc5097672af2
++Z d861c46be738b6f104b52fa4441ce204

diff --cc manifest.uuid
index 299d8934f2455d564efdaef6c1984a08a778d3e9,f4ca445f3142ff422c455ca4d9aa5377e87de703..7cf6d685c3637afbb9131321692577b03ac9af4d
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 59e2c9df02d7e988c5ad44c560ead1e5288b12e7
 -9683e001ed38b41979220eef0bdfcb54df5f3191
++d5880abd63c83c88e135257373afa0a3fd88297e