Improvements to the Expr comparison routine to make it more general.
Improvements to unary-minus code generation so that it can make use of
a global constant register with a zero value.
FossilOrigin-Name: 835be656bb0e83c8108104869166aa9dd850d265
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 22eaafb..9c4a9cc 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1829,7 +1829,7 @@
#define EP_DblQuoted 0x000040 /* token.z was originally in "..." */
#define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */
#define EP_Collate 0x000100 /* Tree contains a TK_COLLATE opeartor */
-#define EP_FixedDest 0x000200 /* Result needed in a specific register */
+ /* unused 0x000200 */
#define EP_IntValue 0x000400 /* Integer value contained in u.iValue */
#define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */
#define EP_Skip 0x001000 /* COLLATE, AS, or UNLIKELY */