Give up evaluating (unary-prefix '-' 0)

Close #117 ------ JS, WHY YOU SUCK SO BADLY? ;-(
2013-02-06 11:51:09 +02:00
parent fdf8b5eb71
commit f36e4e9a78
1 changed files with 4 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -628,7 +628,10 @@ merge(Compressor.prototype, {
              case "typeof": return typeof ev(e);
              case "void": return void ev(e);
              case "~": return ~ev(e);
-              case "-": return -ev(e);
+              case "-":
+                e = ev(e);
+                if (e === 0) throw def;
+                return -e;
              case "+": return +ev(e);
            }
            throw def;