better fix for #512 & #2010 (#2019)

- remove duplicated functionalities
- fix similar issue with `else`

2 files changed, 25 insertions, 1 deletions

diff --git a/test/compress/if_return.js b/test/compress/if_return.js
index c09d67b6..72b69e70 100644
--- a/test/compress/if_return.js
+++ b/test/compress/if_return.js
@@ -307,6 +307,8 @@ issue_512: {
     options = {
         conditionals: true,
         if_return: true,
+        sequences: true,
+        side_effects: true,
     }
     input: {
         function a() {
diff --git a/test/compress/issue-1052.js b/test/compress/issue-1052.js
index e3dc7322..30a563fe 100644
--- a/test/compress/issue-1052.js
+++ b/test/compress/issue-1052.js
@@ -136,7 +136,29 @@ defun_hoist_funs: {
             function f() {}
             function g() {}
             function h() {}
-            !window;
+            if (window);
+        }
+    }
+}
+
+defun_else_if_return: {
+    options = {
+        hoist_funs: false,
+        if_return: true,
+    }
+    input: {
+        function e() {
+            function f() {}
+            if (window) function g() {}
+            else return;
+            function h() {}
+        }
+    }
+    expect: {
+        function e() {
+            function f() {}
+            if (window) function g() {}
+            function h() {}
         }
     }
 }