fix corner case in dead_code (#4981)

2021-05-29 20:16:18 +01:00
parent 260431f4e0
commit 8d23496e0f
2 changed files with 42 additions and 1 deletions
--- a/test/compress/classes.js
+++ b/test/compress/classes.js
@@ -260,6 +260,9 @@ block_scoped: {
    expect: {
        "use strict";
        0;
+        {
+            class A {}
+        }
        if (console) {
            class B {}
        }
@@ -269,6 +272,38 @@ block_scoped: {
    node_version: ">=4"
 }

+retain_declaration: {
+    options = {
+        dead_code: true,
+    }
+    input: {
+        "use strict";
+        var a = "FAIL";
+        try {
+            console.log(function() {
+                return a;
+                class a {}
+            }());
+        } catch (e) {
+            console.log("PASS");
+        }
+    }
+    expect: {
+        "use strict";
+        var a = "FAIL";
+        try {
+            console.log(function() {
+                return a;
+                class a {}
+            }());
+        } catch (e) {
+            console.log("PASS");
+        }
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}
+
 drop_extends: {
    options = {
        inline: true,