iConstExprReg    12065 ext/sqlite3/libsqlite/sqlite3.c       int iConstExprReg;      /* Register in which Expr value is cached */
iConstExprReg    86007 ext/sqlite3/libsqlite/sqlite3.c      pItem->u.iConstExprReg = regDest;
iConstExprReg    86040 ext/sqlite3/libsqlite/sqlite3.c           return pItem->u.iConstExprReg;
iConstExprReg    91022 ext/sqlite3/libsqlite/sqlite3.c           sqlite3ExprCode(pParse, pEL->a[i].pExpr, pEL->a[i].u.iConstExprReg);