fix corner cases in if_return (#5585)

fixes #5583 fixes #5584 fixes #5586
2022-07-30 09:07:19 +01:00
parent 08c386f363
commit ab5c7e6863
3 changed files with 277 additions and 13 deletions
--- a/test/reduce.js
+++ b/test/reduce.js
@@ -466,7 +466,7 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
            }
        }
        else if (node instanceof U.AST_VarDef) {
-            if (node.value) {
+            if (node.value && !(parent instanceof U.AST_Const)) {
                node.start._permute++;
                CHANGED = true;
                return new U.AST_VarDef({