From: Mihai Bazon <mihai@bazon.net>
Date: Fri, 30 Nov 2012 09:16:09 +0000 (+0200)
Subject: Don't messup compressor stack while optimizing Switch
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=5cc90db7d0c8983b6cae38df9dca540acbc1481b;p=UglifyJS.git

Don't messup compressor stack while optimizing Switch

Fix #59
---

diff --git a/lib/compress.js b/lib/compress.js
index d78d41d6..c1cb1464 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1430,7 +1430,7 @@ merge(Compressor.prototype, {
                     return node;
                 }
             });
-            tt.stack = compressor.stack; // so that's able to see parent nodes
+            tt.stack = compressor.stack.slice(); // so that's able to see parent nodes
             self = self.transform(tt);
         } catch(ex) {
             if (ex !== self) throw ex;