From 482b6056a1513ffa8d056813b82a68d3c296a1c1 Mon Sep 17 00:00:00 2001
From: James Roseborough <james.roseborough@luaj.org>
Date: Thu, 6 May 2010 04:34:30 +0000
Subject: [PATCH] Skip over empty branch destinations

---
 src/jse/org/luaj/vm2/luajc/JavaBuilder.java | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/jse/org/luaj/vm2/luajc/JavaBuilder.java b/src/jse/org/luaj/vm2/luajc/JavaBuilder.java
index 831e66ae..35f490af 100644
--- a/src/jse/org/luaj/vm2/luajc/JavaBuilder.java
+++ b/src/jse/org/luaj/vm2/luajc/JavaBuilder.java
@@ -696,9 +696,12 @@ public class JavaBuilder {
 		int nc = p.code.length; 
 		for (int pc = 0; pc < nc; pc++) {
 			if (branches[pc] != null) {
-				if ( branchDestHandles[targets[pc]] == null )
-					 throw new IllegalArgumentException("no target at "+targets[pc]+" op="+Lua.GET_OPCODE(p.code[targets[pc]]));
-				branches[pc].setTarget(branchDestHandles[targets[pc]]);
+				int t=targets[pc];
+				while ( t<branchDestHandles.length && branchDestHandles[t] == null )
+					t++;
+				if ( t>= branchDestHandles.length )
+					 throw new IllegalArgumentException("no target at or after "+targets[pc]+" op="+Lua.GET_OPCODE(p.code[targets[pc]]));
+				branches[pc].setTarget(branchDestHandles[t]);
 			}
 		}
 	}