fix corner case in inline (#5664)

fixes #5662

test/compress/classes.js

@@ -3586,3 +3586,36 @@ issue_5531_3: {
     expect_stdout: "foo"
     node_version: ">=16"
 }
+
+issue_5662: {
+    options = {
+        inline: true,
+        reduce_vars: true,
+    }
+    input: {
+        console.log(new (function() {
+            var g = function(a) {
+                return a;
+            };
+            return class {
+                h(b) {
+                    return g(b);
+                }
+            };
+        }())().h("PASS"));
+    }
+    expect: {
+        console.log(new (function() {
+            var g = function(a) {
+                return a;
+            };
+            return class {
+                h(b) {
+                    return g(b);
+                }
+            };
+        }())().h("PASS"));
+    }
+    expect_stdout: "PASS"
+    node_version: ">=6"
+}

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 && !(parent instanceof U.AST_Const)) {
+            if (node.value && !(node.name instanceof U.AST_Destructured || parent instanceof U.AST_Const)) {
                 node.start._permute++;
                 CHANGED = true;
                 return new U.AST_VarDef({