enhance unused (#4098)

2020-09-12 18:05:43 +01:00
parent d7456a2dc2
commit d33a3a3253
2 changed files with 22 additions and 1 deletions
--- a/test/compress/drop-unused.js
+++ b/test/compress/drop-unused.js
@@ -1997,7 +1997,7 @@ issue_3146_4: {
    expect_stdout: "PASS"
 }

-issue_3192: {
+issue_3192_1: {
    options = {
        unused: true,
    }
@@ -2025,6 +2025,26 @@ issue_3192: {
    ]
 }

+issue_3192_2: {
+    options = {
+        keep_fargs: "strict",
+        unused: true,
+    }
+    input: {
+        "use strict";
+        (function(a) {
+            console.log(a = "foo", arguments[0]);
+        })("bar");
+    }
+    expect: {
+        "use strict";
+        (function() {
+            console.log("foo", arguments[0]);
+        })("bar");
+    }
+    expect_stdout: "foo bar"
+}
+
 issue_3233: {
    options = {
        pure_getters: "strict",