Add NEVER() to a branch that is no longer reachable.

FossilOrigin-Name: 9411337a7b3237366768fc708396da53d67a7a17b6cdc5c6f8932c5ab32217a9

manifest

@@ -1,5 +1,5 @@
-C Update\sext/wasm/SQLTester\sfor\srecent\sinternal-API\sreorgs.
-D 2024-01-24T19:54:49.304
+C Add\sNEVER()\sto\sa\sbranch\sthat\sis\sno\slonger\sreachable.
+D 2024-01-24T21:08:57.555
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -815,7 +815,7 @@ F src/vdbeapi.c 8f57d60c89da0b60e6d4e272358c511f6bae4e24330bdb11f8b42f986d1bf21b
 F src/vdbeaux.c c5a471b34e9c4cfc0295a3e10734fd197670ffaebcb742f284c8e17e8026ceea
 F src/vdbeblob.c 13f9287b55b6356b4b1845410382d6bede203ceb29ef69388a4a3d007ffacbe5
 F src/vdbemem.c 3e37dab421b74e9ce55c1e88fbc7bc6fead590b5ab258bc684f8b70abb1d6e71
-F src/vdbesort.c 237840ca1947511fa59bd4e18b9eeae93f2af2468c34d2427b059f896230a547
+F src/vdbesort.c 00c1fb15171205063556c2f1cf454e24c0b41c1effb0c876b850dce91f21bc64
 F src/vdbetrace.c fe0bc29ebd4e02c8bc5c1945f1d2e6be5927ec12c06d89b03ef2a4def34bf823
 F src/vdbevtab.c 2143db7db0ceed69b21422581f434baffc507a08d831565193a7a02882a1b6a7
 F src/vtab.c 11948e105f56e84099ca17f1f434b1944539ea84de26d0d767eadfbc670ce1ea
@@ -2161,8 +2161,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 5cf9ea9b1fff4625a50a2343d0fd3812da6612d6b24c07e10edb6c1ff03ca2df
-R e306e6e13da3ca6b74df7f0d8d78804a
-U stephan
-Z be34d47cda2dc0f9c45c17c4b0edc6bd
+P 996cfdf9b5f70408faeaa68ba2ea9494e419be8f2c59d89ab702419056e3569c
+R cc29f59aa57a1c6bea20c14e055ec6a4
+U drh
+Z 22d3dca63255cbf92f3e39d6096754f7
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-996cfdf9b5f70408faeaa68ba2ea9494e419be8f2c59d89ab702419056e3569c
+9411337a7b3237366768fc708396da53d67a7a17b6cdc5c6f8932c5ab32217a9

src/vdbesort.c

@@ -1290,7 +1290,7 @@ static void vdbeSorterExtendFile(sqlite3 *db, sqlite3_file *pFd, i64 nByte){
     sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_CHUNK_SIZE, &chunksize);
     sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_SIZE_HINT, &nByte);
     sqlite3OsFetch(pFd, 0, (int)nByte, &p);
-    if( p ) sqlite3OsUnfetch(pFd, 0, p);
+    if( NEVER(p) ) sqlite3OsUnfetch(pFd, 0, p);
   }
 }
 #else