fix reduce_vars on do...while (#2596)

2017-12-15 16:33:19 +08:00
parent 8f681b1d17
commit 092d9affb8
2 changed files with 43 additions and 1 deletions
--- a/test/compress/reduce_vars.js
+++ b/test/compress/reduce_vars.js
@@ -4867,3 +4867,35 @@ defun_single_use_loop: {
        "true",
    ]
 }
+
+do_while: {
+    options = {
+        evaluate: true,
+        reduce_vars: true,
+    }
+    input: {
+        function f(a) {
+            do {
+                (function() {
+                    a && (c = "PASS");
+                })();
+            } while (a = 0);
+        }
+        var c = "FAIL";
+        f(1);
+        console.log(c);
+    }
+    expect: {
+        function f(a) {
+            do {
+                (function() {
+                    a && (c = "PASS");
+                })();
+            } while (a = 0);
+        }
+        var c = "FAIL";
+        f(1);
+        console.log(c);
+    }
+    expect_stdout: "PASS"
+}