fix corner case in reduce_vars (#4203)

fixes #4198
2020-10-12 12:02:44 +01:00
parent b512726cf3
commit 1cdf810f0b
2 changed files with 42 additions and 1 deletions
--- a/test/compress/const.js
+++ b/test/compress/const.js
@@ -805,3 +805,38 @@ issue_4197: {
    }
    expect_stdout: "1"
 }
+
+issue_4198: {
+    options = {
+        reduce_vars: true,
+    }
+    input: {
+        console.log(function() {
+            try {
+                throw "PASS";
+            } catch (e) {
+                {
+                    const e = "FAIL";
+                }
+                return function() {
+                    return e;
+                }();
+            }
+        }());
+    }
+    expect: {
+        console.log(function() {
+            try {
+                throw "PASS";
+            } catch (e) {
+                {
+                    const e = "FAIL";
+                }
+                return function() {
+                    return e;
+                }();
+            }
+        }());
+    }
+    expect_stdout: "PASS"
+}