fix corner case in sequences (#3704)

fixes #3703
2020-02-04 04:57:32 +00:00
parent 36b2d35bf3
commit df506439b1
3 changed files with 73 additions and 39 deletions
--- a/test/compress/sequences.js
+++ b/test/compress/sequences.js
@@ -1093,3 +1093,22 @@ issue_3490_2: {
    }
    expect_stdout: "PASS 42"
 }
+
+issue_3703: {
+    options = {
+        evaluate: true,
+        sequences: true,
+        unsafe: true,
+    }
+    input: {
+        var a = "FAIL";
+        while ((a = "PASS", 0).foo = 0);
+        console.log(a);
+    }
+    expect: {
+        var a = "FAIL";
+        while (a = "PASS", (0).foo = 0);
+        console.log(a);
+    }
+    expect_stdout: "PASS"
+}