From 5a88c30d6598bc9ec6d3b81077a95ab6942da9cd Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Thu, 28 Nov 2019 07:40:34 +0800
Subject: enhance `assignments` (#3612)

---
 test/compress/assignment.js | 42 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

(limited to 'test/compress/assignment.js')

diff --git a/test/compress/assignment.js b/test/compress/assignment.js
index 5ca7440a..2230272a 100644
--- a/test/compress/assignment.js
+++ b/test/compress/assignment.js
@@ -290,26 +290,60 @@ increment_decrement_2: {
     expect_stdout: "42"
 }
 
-issue_3375: {
+issue_3375_1: {
     options = {
         assignments: true,
         reduce_vars: true,
     }
     input: {
-        console.log(typeof function(b) {
+        function p(o) {
+            console.log(typeof o, o);
+        }
+        p(function(b) {
             var a = b += 1;
             --b;
             return a;
         }("object"));
     }
     expect: {
-        console.log(typeof function(b) {
+        function p(o) {
+            console.log(typeof o, o);
+        }
+        p(function(b) {
             var a = b += 1;
             --b;
             return a;
         }("object"));
     }
-    expect_stdout: "string"
+    expect_stdout: "string object1"
+}
+
+issue_3375_2: {
+    options = {
+        assignments: true,
+        reduce_vars: true,
+    }
+    input: {
+        function p(o) {
+            console.log(typeof o, o);
+        }
+        p(function(b) {
+            var a = b -= 1;
+            --b;
+            return a;
+        }("object"));
+    }
+    expect: {
+        function p(o) {
+            console.log(typeof o, o);
+        }
+        p(function(b) {
+            var a = --b;
+            --b;
+            return a;
+        }("object"));
+    }
+    expect_stdout: "number NaN"
 }
 
 issue_3427: {
-- 
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