fix corner case in collapse_vars (#4605)

fixes #4604
2021-02-01 15:24:11 +00:00
parent ba6e29d6fd
commit b27b6807cb
2 changed files with 25 additions and 0 deletions
--- a/test/compress/templates.js
+++ b/test/compress/templates.js
@@ -198,3 +198,27 @@ unsafe_side_effects: {
    expect_stdout: "foo"
    node_version: ">=4"
 }
+
+issue_4604: {
+    options = {
+        collapse_vars: true,
+    }
+    input: {
+        var a = 0, log = console.log;
+        a = "FAIL";
+        (function() {
+            a = "PASS";
+        })``;
+        log(a);
+    }
+    expect: {
+        var a = 0, log = console.log;
+        a = "FAIL";
+        (function() {
+            a = "PASS";
+        })``;
+        log(a);
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}