fix corner case in ie8 (#4230)

fixes #4229
2020-10-19 23:13:23 +01:00
parent 8ecaa40c6e
commit 256950c2c0
3 changed files with 52 additions and 0 deletions
--- a/test/compress/let.js
+++ b/test/compress/let.js
@@ -840,3 +840,34 @@ issue_4225: {
    expect_stdout: true
    node_version: ">=4"
 }
+
+issue_4229: {
+    options = {
+        ie8: true,
+        side_effects: true,
+    }
+    input: {
+        "use strict";
+        try {
+            (function f() {
+                f;
+                let f;
+            })();
+        } catch (e) {
+            console.log("PASS");
+        }
+    }
+    expect: {
+        "use strict";
+        try {
+            (function f() {
+                f;
+                let f;
+            })();
+        } catch (e) {
+            console.log("PASS");
+        }
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}