suppress collapse_vars of this as call argument (#2204)

fixes #2203
2017-07-06 01:03:52 +08:00
parent 1ac25fc032
commit 9306da3c58
2 changed files with 80 additions and 9 deletions
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -2256,3 +2256,67 @@ issue_2187_3: {
    }
    expect_stdout: "1"
 }
+
+issue_2203_1: {
+    options = {
+        collapse_vars: true,
+        unused: true,
+    }
+    input: {
+        a = "FAIL";
+        console.log({
+            a: "PASS",
+            b: function() {
+                return function(c) {
+                    return c.a;
+                }((String, (Object, this)));
+            }
+        }.b());
+    }
+    expect: {
+        a = "FAIL";
+        console.log({
+            a: "PASS",
+            b: function() {
+                return function(c) {
+                    return c.a;
+                }((String, (Object, this)));
+            }
+        }.b());
+    }
+    expect_stdout: "PASS"
+}
+
+issue_2203_2: {
+    options = {
+        collapse_vars: true,
+        unused: true,
+    }
+    input: {
+        a = "PASS";
+        console.log({
+            a: "FAIL",
+            b: function() {
+                return function(c) {
+                    return c.a;
+                }((String, (Object, function() {
+                    return this;
+                }())));
+            }
+        }.b());
+    }
+    expect: {
+        a = "PASS";
+        console.log({
+            a: "FAIL",
+            b: function() {
+                return function(c) {
+                    return (String, (Object, function() {
+                        return this;
+                    }())).a;
+                }();
+            }
+        }.b());
+    }
+    expect_stdout: "PASS"
+}