Index: src/whereexpr.c
==================================================================
--- src/whereexpr.c
+++ src/whereexpr.c
@@ -288,11 +288,11 @@
 */
 static int isMatchOfColumn(
   Expr *pExpr,                    /* Test this expression */
   unsigned char *peOp2            /* OUT: 0 for MATCH, or else an op2 value */
 ){
-  struct Op2 {
+  static const struct Op2 {
     const char *zOp;
     unsigned char eOp2;
   } aOp[] = {
     { "match",  SQLITE_INDEX_CONSTRAINT_MATCH },
     { "glob",   SQLITE_INDEX_CONSTRAINT_GLOB },