fix inline on duplicate argument names (#2698)

2017-12-31 20:59:58 +08:00
parent 333792352e
commit da82fa59a7
2 changed files with 26 additions and 1 deletions
--- a/test/compress/functions.js
+++ b/test/compress/functions.js
@@ -1646,3 +1646,28 @@ issue_2663_3: {
        "reset",
    ]
 }
+
+duplicate_argnames: {
+    options = {
+        inline: true,
+        reduce_vars: true,
+        side_effects: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        var a = "PASS";
+        function f(b, b, b) {
+            b && (a = "FAIL");
+        }
+        f(0, console);
+        console.log(a);
+    }
+    expect: {
+        var a = "PASS";
+        console, b && (a = "FAIL");
+        var b;
+        console.log(a);
+    }
+    expect_stdout: "PASS"
+}