Merge the sqlite3WhereBegin() simplification from trunk.

FossilOrigin-Name: 41ba2dfdd3a18671fc78d60935a16fa50f36af3d6481eff2ca9fba88e7093997

diff --cc manifest
index ec9c79c888dc4fa802421424609ee9f591d734bc,1fc8dc67037d3d09845f7e0d7343390a6d67ef3f..1e420b2cce92d527cfb7514115df4ef228e9c0d6
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Merge\srecent\strunk\senhancements\sinto\sthe\sbloom-filter\sbranch.
- D 2021-12-03T16:02:05.551
 -C Factor\sthe\snoop-join-elimination\soptimization\sout\sof\sthe\ssqlite3WhereBegin()\nroutine\sand\sinto\sa\sseparate\s"no-inline"\ssubroutine,\sin\sorder\sto\sreduce\sthe\ncomplexity\sof\ssqlite3WhereBegin()\sand\sthereby\sencourage\sC\scompilers\sto\ninline\ssqlite3WhereCodeOneLoopStart().
 -D 2021-12-03T18:53:53.434
++C Merge\sthe\ssqlite3WhereBegin()\ssimplification\sfrom\strunk.
++D 2021-12-03T19:10:17.141
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -637,9 -637,9 +637,9 @@@ F src/vxworks.h d2988f4e5a61a4dfe82c652
  F src/wal.c ed0398a7adf02c31e34aada42cc86c58f413a7afe5f741a5d373ad087abde028
  F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
  F src/walker.c f890a3298418d7cba3b69b8803594fdc484ea241206a8dfa99db6dd36f8cbb3b
- F src/where.c c04c4108028513cf2f264505f2bc3e861c2ed96985d7a5feead4cf76fe057dc1
 -F src/where.c 5bd26902ddf3e385c0df9429b10e7358bbd0430c470ec1d2a53065723c4a55d2
 -F src/whereInt.h 1630d9418512b080598e9a72b8af6b8bd1b9ab13fee1458f151762b6df206791
 -F src/wherecode.c 1f5b62f46d284c8886945eb7438415bc27e23e87bb60b9ee468fa6bd31268f33
++F src/where.c a0787ad0a3447685e553725dab50e52c9763b5f10e2506255713dbd736c89998
 +F src/whereInt.h 83ae6f7d0fce8b5164d97698790e0005a909b3d06d73df86a4a6bb0d9411861e
 +F src/wherecode.c 620e81077588a727876a86f87aab310c02fc4e4960691e48153d8a87ca1fa453
  F src/whereexpr.c 19394cb463003e9cc9305730b1508b8817a22bb7247170d81234b691a7f05b89
  F src/window.c 5d3b397b0c026d0ff5890244ac41359e524c01ae31e78782e1ff418c3e271a9e
  F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
@@@ -1933,7 -1933,7 +1933,7 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 0864bfbf079a98beaa484911edb17c3dc728e78eca231d4247b282fd824cc098 8029e6bab508bf0b8ec1df00a829c5d4de2a84d66dc56b9ff03da879ceef7788
- R 62eaa6fad42f4285b48b7186b5cb4970
 -P 8029e6bab508bf0b8ec1df00a829c5d4de2a84d66dc56b9ff03da879ceef7788
 -R 963c220f26757d3ffbc2edfb4f7e86f0
++P 11d97fb8be6b5155f38df130d7e828edd0f381e32f651458939b1cb9cb973fff 6225e9abcb0261fefca4a26530524ffc449f937f8ae1ece718af2c3c3d73d78d
++R 91b705f2730ed0122ffcaf8efbe0af73
  U drh
- Z 2d614121b81c56be6760e2166ceb6c54
 -Z 180dbfc838231c2ae95c395bdf32b1d2
++Z dab48a2f628412943ed7bfde21b0a086

diff --cc manifest.uuid
index 8270f796479774dd318c46923e62f8d31fb1dc6b,9b8ce11932382b31c4cc30d0b818da559691ec50..6adb3fed239726f6d03ad0ad408f750c84a6338a
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 11d97fb8be6b5155f38df130d7e828edd0f381e32f651458939b1cb9cb973fff
 -6225e9abcb0261fefca4a26530524ffc449f937f8ae1ece718af2c3c3d73d78d
++41ba2dfdd3a18671fc78d60935a16fa50f36af3d6481eff2ca9fba88e7093997

diff --cc src/where.c
Simple merge