The previous check-in was not quite correct. Both rLhsOrig

and rLhs are vectors and so neither should be freed using
sqlite3ReleaseTempReg().  Indeed, neither should be freed at all since
both vectors remain in use.

FossilOrigin-Name: fc7b959f45a55d95c9cb37692e82b811e3ef286a6d826895dfee9a1f2abfdcc8

manifest

@@ -1,5 +1,5 @@
-C In\scheck-in\s[8800c13deca3717c],\sfix\sa\sdouble-free\sof\sa\sbyte-code\sregister,\nresulting\sin\sthe\ssame\sregister\sbeing\son\sthe\sreusable\sregister\slist\stwice.\n[bugs:/info/2026-10-14T05:52:10Z|Bug\s2026-10-14T05:52:10Z].
-D 2026-10-14T11:22:24.884
+C The\sprevious\scheck-in\swas\snot\squite\scorrect.\s\sBoth\srLhsOrig\nand\srLhs\sare\svectors\sand\sso\sneither\sshould\sbe\sfreed\susing\nsqlite3ReleaseTempReg().\s\sIndeed,\sneither\sshould\sbe\sfreed\sat\sall\ssince\nboth\svectors\sremain\sin\suse.
+D 2026-10-14T11:32:36.641
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -753,7 +753,7 @@ F src/date.c 080641f59097d14fc7341f8bc0458d273b3a62d8381916db8ccbc89c2aae07b3
 F src/dbpage.c ec8590c5e7a564cef28ca3c6156521316a4d26cb572a34841b0bcb26b67b3f97
 F src/dbstat.c 34d4e825fbf763640ce3dbc56910ab080495ef4a6efb48b2b1852a43d43763fc
 F src/delete.c 59eeca3fb88c29329afc41bb803ee568b120d9dd7470b5f38ab55cc38390b451
-F src/expr.c 6dd1f7c2ddc064a5c527df4d4a5633a0b7754c3a74d23bb1c55998b7f30bb704
+F src/expr.c c404d1908874e6f8542a81b38a5ef7985581394c34e418f7ed3798e09f4e42d1
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c 26788ae6c785d70f9829c4176e9764447014fc73e6ba31e9f1881720a64ae7f1
 F src/func.c 54d96eeafcb6ec4cff92028ea0f7bb09e27b375b248d969aeb80a61e560ef302
@@ -2287,8 +2287,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 6399cc43b5927eaaef855fd0daab0cffc90c559266ca6ecc41ffcd5609007976
-R 7fa16d1065786f3f604e3beb0d8109f1
+P 930df67b442ed677dbe5b22afe4fb91c907c721592a8090f0a70ebea79f3a854
+R 83c22231ceefe821863301eb47a25516
 U drh
-Z 795830303d6a14131f1d879942ff8869
+Z fb0b9d941cdd9cc3a7cb4f99735dbd52
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-930df67b442ed677dbe5b22afe4fb91c907c721592a8090f0a70ebea79f3a854
+fc7b959f45a55d95c9cb37692e82b811e3ef286a6d826895dfee9a1f2abfdcc8

src/expr.c

@@ -4263,7 +4263,6 @@ static void sqlite3ExprCodeIN(
         testcase( aiMap[i]!=i );
         sqlite3VdbeAddOp3(v, OP_Copy, rLhsOrig+i, rLhs+aiMap[i], 0);
       }
-      sqlite3ReleaseTempReg(pParse, rLhs);
     }
   }