enhance if_return (#4164)

2020-10-02 09:10:25 +01:00
parent 090ee895e1
commit 47a5e6e17a
3 changed files with 102 additions and 8 deletions
--- a/test/compress/issue-1052.js
+++ b/test/compress/issue-1052.js
@@ -16,7 +16,7 @@ multiple_functions: {
        ( function() {
            // NOTE: other compression steps will reduce this
            // down to just `window`.
-            if ( window );
+            if ( !window );
            function f() {}
            function g() {}
        } )();
@@ -38,7 +38,7 @@ single_function: {
    }
    expect: {
        ( function() {
-            if ( window );
+            if ( !window );
            function f() {}
        } )();
    }
@@ -67,7 +67,7 @@ deeply_nested: {
            // NOTE: other compression steps will reduce this
            // down to just `window`.
            if ( window )
-                if (document);
+                if ( !document );
            function f() {}
            function g() {}
            function h() {}