[sql] Disable a clang intrinsic in SQLite 3.17.0.

third_party/sqlite/src/src/util.c

 /*
 ** 2001 September 15
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 1292 matching lines @@
     testcase( (*pA)==(-1) ); testcase( (*pA)==0 );
     if( (*pA)>=0 ) return 1;
     *pA -= iB;
     return 0;
   }else{
     return sqlite3AddInt64(pA, -iB);
   }
 #endif
 }
 int sqlite3MulInt64(i64 *pA, i64 iB){
-/* TODO(shess): Chromium Android clang generates a link error:
+/* TODO(shess): Removing clang support because on many platforms it generates a
+** link error for this intrinsic:
 **   undefined reference to '__mulodi4'
-** UPDATE(shess): Also, apparently, 32-bit Linux clang.
+** http://crbug.com/701524
 */
-#if GCC_VERSION>=5004000 || \
-    (CLANG_VERSION>=4000000 && !defined(__ANDROID__) && \
-     (!defined(__linux__) || !defined(__i386__)))
+#if GCC_VERSION>=5004000
   return __builtin_mul_overflow(*pA, iB, pA);
 #else
   i64 iA = *pA;
   if( iB>0 ){
     if( iA>LARGEST_INT64/iB ) return 1;
     if( iA<SMALLEST_INT64/iB ) return 1;
   }else if( iB<0 ){
     if( iA>0 ){
       if( iB<SMALLEST_INT64/iA ) return 1;
     }else if( iA<0 ){
@@ skipping 233 matching lines @@
   if( pIn==0 ) return 0;
   mx = pIn[1];
   i = 2;
   do{
     const char *z = (const char*)&pIn[i+2];
     if( strncmp(z,zName,nName)==0 && z[nName]==0 ) return pIn[i];
     i += pIn[i+1];
   }while( i<mx );
   return 0;
 }