Fix bug in inlining of empty for() initializer

It was causing an exception. Fixed now.

Thanks to Cindy Reynaud for reporting the problem and sending a backtrace.

lslopt/lslinliner.py

@@ -427,9 +427,8 @@ class inliner(object):
             del child[2]
             del child[0]
             child[1].ch.append(nr(nt='JUMP', t=None, name=lbl, scope=scope))
-            fns.extend(self.RecurseExpression(child, 0, scope))
+            fns = self.RecurseExpression(child, 0, scope)
             self.RecurseSingleStatement(child, 1, scope)
-            #assert False, parent[index]
 
         else:
             assert False, u"Unexpected node type: %s" % nt.decode('utf8')

unit_tests/regression.suite/inliner-for-bug.lsl

@@ -0,0 +1,10 @@
+default
+{
+    state_entry()
+    {
+        for (; llSetRegionPos(<0,0,2>); llSleep(3))
+        {
+            llSleep(4);
+        }
+    }
+}

unit_tests/regression.suite/inliner-for-bug.out

@@ -0,0 +1,15 @@
+default
+{
+    state_entry()
+    {
+        @___for__00001;
+        if (llSetRegionPos(<0, 0, 2>))
+        {
+            {
+                llSleep(4);
+            }
+            llSleep(3);
+            jump ___for__00001;
+        }
+    }
+}

unit_tests/regression.suite/inliner-for-bug.run

@@ -0,0 +1 @@
+main.py -y -O clear,inline -