Attempt to suppress harmless compiler warnings reported by

[forum:/forumpost/fc98845c06|forum post fc98845c06].

FossilOrigin-Name: f6e6c5f94cef83645288568a344a0ff64e4ef17b10fab28996567a94db0a002a

manifest

@@ -1,5 +1,5 @@
-C CLI\sto\scease\sdumping\sback\sto\sOS\sshell\son\ssingle\s^C\swhen\sinteractive.
-D 2023-04-18T23:05:34.073
+C Attempt\sto\ssuppress\sharmless\scompiler\swarnings\sreported\sby\n[forum:/forumpost/fc98845c06|forum\spost\sfc98845c06].
+D 2023-04-19T12:08:46.749
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -620,7 +620,7 @@ F src/os_win.c 295fe45f18bd86f2477f4cd79f3377c6f883ceb941b1f46808665c73747f2345
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 F src/pager.c 39af8ff7c73a991f61f4d1e3a6f8f98b1c8e29144723507822774cac5e6ee0b5
 F src/pager.h f82e9844166e1585f5786837ddc7709966138ced17f568c16af7ccf946c2baa3
-F src/parse.y 424e49ed8fc6c907920db9be5a13a75ed43811e1ea8dd21b0fa9ef97f083dc6b
+F src/parse.y e8b5c753e3194e03d69e108753c1dbceb01fa4c158b2c6b726a048023ea0fdc1
 F src/pcache.c 842410539b544e12d5fccfcf29890782f46a58f227a77bc0bd76243799662c0c
 F src/pcache.h 1497ce1b823cf00094bb0cf3bac37b345937e6f910890c626b16512316d3abf5
 F src/pcache1.c dee95e3cd2b61e6512dc814c5ab76d5eb36f0bfc9441dbb4260fccc0d12bbddc
@@ -699,13 +699,13 @@ F src/trigger.c ad6ab9452715fa9a8075442e15196022275b414b9141b566af8cdb7a1605f2b0
 F src/update.c 3f4fb5ad7c9b48d7911974d6579192bb3a6c27f46140b6cbb9139cc8a77b8691
 F src/upsert.c 5303dc6c518fa7d4b280ec65170f465c7a70b7ac2b22491598f6d0b4875b3145
 F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
-F src/util.c 2106b5176a847d5b91a9345b38a098c202b7691a19070e0fa194cbd3ff139d24
+F src/util.c b1d8d87c4c8c77e70f48c43f91444fd66d91532693573b70b837afd572010176
 F src/vacuum.c 84ce7f01f8a7a08748e107a441db83bcec13970190ddcb0c9ff522adbc1c23fd
 F src/vdbe.c a6c52ba65e8ceb574fe0eda62af84e6c50c176ffc5f310c613425f7ab2b1484b
 F src/vdbe.h 637ae853b7d42ae3951034cc63ab7c8af837861f79504cdb5399552fcd89a884
 F src/vdbeInt.h a4147a4ddf613cb1bcb555ace9e9e74a9c099d65facd88155f191b1fb4d74cfb
 F src/vdbeapi.c 1a95162e26d5eda3b7b46fbe4fcbc33eb7f801529d66fc2e14c52094a5523339
-F src/vdbeaux.c 128de68cade63c914e97d31c2fa71fd6186927ebfbedabc68019ce99256c3ddf
+F src/vdbeaux.c 913801bb824d6ef0a49c80e973563063e453f41e6c382c5940de8e5d34f0cd56
 F src/vdbeblob.c 5e61ce31aca17db8fb60395407457a8c1c7fb471dde405e0cd675974611dcfcd
 F src/vdbemem.c 1d9a0f37b0097fbb53f0d7ba081f7181b83cee2c6f46364706ea0c3896bd8ec0
 F src/vdbesort.c 43756031ca7430f7aec3ef904824a7883c4ede783e51f280d99b9b65c0796e35
@@ -2058,8 +2058,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 8b0fe63f873661037351fc1eba6071b98b5c97a0fc8bd8a504a90d047f78bc0d 19c062f1cd814a33bf9c10928217464cddaea7c3291ff44e605901a86b82a06d
-R 94128278c59c8b6776a5748252e83b85
-U larrybr
-Z 708f7e71cc9002b37b9149765bf28cad
+P ba8e4378f21d529a248d2d60b60974fef0d6612dcaaa1f6b7f8a6946fc46b39b
+R 70cfff64a8ee73f6f83838961859b992
+U drh
+Z 4d312cdcd589df887faf890c715735dd
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-ba8e4378f21d529a248d2d60b60974fef0d6612dcaaa1f6b7f8a6946fc46b39b
+f6e6c5f94cef83645288568a344a0ff64e4ef17b10fab28996567a94db0a002a

src/parse.y

@@ -1378,7 +1378,7 @@ case_else(A) ::=  ELSE expr(X).         {A = X;}
 case_else(A) ::=  .                     {A = 0;} 
 %type case_operand {Expr*}
 %destructor case_operand {sqlite3ExprDelete(pParse->db, $$);}
-case_operand(A) ::= expr(X).            {A = X; /*A-overwrites-X*/} 
+case_operand(A) ::= expr(A).
 case_operand(A) ::= .                   {A = 0;} 
 
 %type exprlist {ExprList*}

src/util.c

@@ -879,7 +879,7 @@ int sqlite3GetInt32(const char *zNum, int *pValue){
     u32 u = 0;
     zNum += 2;
     while( zNum[0]=='0' ) zNum++;
-    for(i=0; sqlite3Isxdigit(zNum[i]) && i<8; i++){
+    for(i=0; i<8 && sqlite3Isxdigit(zNum[i]); i++){
       u = u*16 + sqlite3HexToInt(zNum[i]);
     }
     if( (u&0x80000000)==0 && sqlite3Isxdigit(zNum[i])==0 ){

src/vdbeaux.c

@@ -820,6 +820,8 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){
   Op *pOp;
   Parse *pParse = p->pParse;
   int *aLabel = pParse->aLabel;
+
+  assert( pParse->db->mallocFailed==0 ); /* tag-20230419-1 */
   p->readOnly = 1;
   p->bIsReader = 0;
   pOp = &p->aOp[p->nOp-1];
@@ -879,6 +881,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){
             ** have non-negative values for P2. */
             assert( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 );
             assert( ADDR(pOp->p2)<-pParse->nLabel );
+            assert( aLabel!=0 );  /* True because of tag-20230419-1 */
             pOp->p2 = aLabel[ADDR(pOp->p2)];
           }
           break;