fix unused crash with top-level AST_Var (#2066)

fixes #2063
2017-06-07 19:12:35 +08:00
parent 82fefc5d29
commit a7971f4e34
2 changed files with 17 additions and 1 deletions
--- a/test/compress/drop-unused.js
+++ b/test/compress/drop-unused.js
@@ -1280,3 +1280,17 @@ issue_1968: {
    expect_stdout: "5"
    node_version: ">=6"
 }
+
+issue_2063: {
+    options = {
+        unused: true,
+    }
+    input: {
+        var a;
+        var a;
+    }
+    expect: {
+        var a;
+        var a;
+    }
+}