From 2b23f2e5622ecca0a3418af08a84ea5fdd04f84a Mon Sep 17 00:00:00 2001
From: sam <sam@silver42.karoo.co.uk>
Date: Mon, 1 Feb 2016 19:03:24 +0000
Subject: [PATCH] Erase the leaving symbols, not the entering symbols in
 dualOptimize. Matches the Kiwi C++ implementation:
 https://github.com/nucleic/kiwi/blob/0989ff015fdea5c59c90b1fd87383dfe6f733257/kiwi/solverimpl.h#L615

---
 src/main/java/no/birkett/kiwi/Solver.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/no/birkett/kiwi/Solver.java b/src/main/java/no/birkett/kiwi/Solver.java
index c5b0231..97bb3d2 100644
--- a/src/main/java/no/birkett/kiwi/Solver.java
+++ b/src/main/java/no/birkett/kiwi/Solver.java
@@ -530,7 +530,7 @@ public class Solver {
                 if(entering.getType() == Symbol.Type.INVALID){
                     throw new InternalSolverError("internal solver error");
                 }
-                rows.remove(entering);
+                rows.remove(leaving);
                 row.solveFor(leaving, entering);
                 substitute(entering, row);
                 rows.put(entering, row);