Only close an upvalue for a local if there actually is one for it.

2015-10-08 08:06:29 -07:00
parent 24cbb7f399
commit 8980d34ee5
3 changed files with 49 additions and 17 deletions
@@ -0,0 +1,11 @@
+// This is a regression test. There was a bug where the VM would try to close
+// an upvalue even if the upvalue was never created because the codepath for
+// the closure was not executed.
+
+{
+  var a = "a"
+  if (false) Fn.new { a }
+}
+
+// If we get here, we didn't segfault when a went out of scope.
+System.print("ok") // expect: ok