From 3bea0b61a5f24a00927bb26f9fa569d95c609fcf Mon Sep 17 00:00:00 2001
From: Quentin Carbonneaux
Date: Mon, 2 Sep 2024 18:17:34 +0200
Subject: fix a nonassoc bug

I am not sure if the mirror thing
should be implemented in the else
branch.

This fix makes a clean pgsql yacc
parser go through.
---
 yacc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yacc.c b/yacc.c
index 760465d..6de46fb 100644
--- a/yacc.c
+++ b/yacc.c
@@ -444,7 +444,7 @@ tblset(int *tbl, Item *i, Term *t)
 	s = t->rule->rhs[t->dot];
 	if (s!=S) {
 		/* shift */
-		if (s>=ntk)
+		if (s>=ntk || tbl[s]==-1)
 			return;
 		assert(i->gtbl[s]);
 		act = ARight;
-- 
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