enhance collapse_vars (#4735)

2021-03-05 05:18:01 +00:00
parent cb50a2d192
commit dd30ed6a9b
6 changed files with 87 additions and 25 deletions
--- a/test/compress/sequences.js
+++ b/test/compress/sequences.js
@@ -663,12 +663,21 @@ side_effects_cascade_1: {
            if (a < 0) a = 0;
            b.a = a;
        }
+        var m = {}, n = {};
+        f(13, m);
+        f("foo", n);
+        console.log(m.a, n.a);
    }
    expect: {
        function f(a, b) {
-            (a -= 42) < 0 && (a = 0), b.a = a;
+            b.a = a = (a -= 42) < 0 ? 0 : a;
        }
+        var m = {}, n = {};
+        f(13, m),
+        f("foo", n),
+        console.log(m.a, n.a);
    }
+    expect_stdout: "0 NaN"
 }

 side_effects_cascade_2: {