fix corner case in reduce_vars (#4796)

2021-03-17 21:14:14 +00:00
parent d4303b62cc
commit d837a46ebd
2 changed files with 26 additions and 0 deletions
--- a/test/compress/spreads.js
+++ b/test/compress/spreads.js
@@ -294,6 +294,31 @@ reduce_vars_2: {
    node_version: ">=6"
 }

+reduce_vars_3: {
+    options = {
+        reduce_funcs: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        function f() {}
+        function g() {
+            return (a => a)(...[ f ]);
+        }
+        console.log(g() === g() ? "PASS" : "FAIL");
+    }
+    expect: {
+        function f() {}
+        function g() {
+            return (a => a)(...[ f ]);
+        }
+        console.log(g() === g() ? "PASS" : "FAIL");
+    }
+    expect_stdout: "PASS"
+    node_version: ">=6"
+}
+
 convert_setter: {
    options = {
        objects: true,