implement keep_fargs for mangle (#5307)

closes #4657
2022-01-20 21:13:26 +00:00
parent efed55f42d
commit e24b255350
20 changed files with 507 additions and 267 deletions
--- a/test/compress/optional-chains.js
+++ b/test/compress/optional-chains.js
@@ -457,11 +457,11 @@ issue_5091: {
        console.log(f("FAIL 1") || "PASS");
    }
    expect: {
-        function f(b) {
-            var b = b.p;
+        function f(a) {
+            var a = a.p;
            var c;
-            b?.[c = "FAIL 2"];
-            return b || c;
+            a?.[c = "FAIL 2"];
+            return a || c;
        }
        console.log(f("FAIL 1") || "PASS");
    }