diff --git a/lib/compress.js b/lib/compress.js
index dc55d4ee..c1f89bf7 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -2097,9 +2097,6 @@ merge(Compressor.prototype, {
                                 }));
                             }
                         }
-                        else if (node.names[i] instanceof AST_Hole) {
-                            continue;
-                        }
                         else if (node.names[i] instanceof AST_ObjectKeyVal) {
                             if (typeof node.names[i].key === "string") {
                                 initializations.add(node.names[i].key, destructuring_value);
@@ -2107,7 +2104,14 @@ merge(Compressor.prototype, {
                         }
                         else if (node.names[i] instanceof AST_Symbol) {
                             initializations.add(node.names[i].name, destructuring_value);
-                        } else {
+                        }
+                        else if (node.names[i] instanceof AST_DefaultAssign) {
+                            continue;
+                        }
+                        else if (node.names[i] instanceof AST_Hole) {
+                            continue;
+                        }
+                        else {
                             throw new Error(string_template("Unknown destructuring element of type: {type}", {
                                 type: Object.getPrototypeOf(node.names[i]).TYPE
                             }));
diff --git a/test/compress/destructuring.js b/test/compress/destructuring.js
index 4b328442..b79d5734 100644
--- a/test/compress/destructuring.js
+++ b/test/compress/destructuring.js
@@ -407,12 +407,16 @@ destructuring_assign_of_computed_key: {
 }
 
 mangle_destructuring_decl: {
+    options = {
+        evaluate: true,
+        unused: true,
+    }
     mangle = {
     }
     input: {
         function test(opts) {
             let a = opts.a || { e: 7, n: 8 };
-            let { t, e, n, s = 9, o, r } = a;
+            let { t, e, n, s =  5 + 4, o, r } = a;
             console.log(t, e, n, s, o, r);
         }
         test({a: { t: 1, e: 2, n: 3, s: 4, o: 5, r: 6 }});
@@ -437,6 +441,8 @@ mangle_destructuring_decl: {
 mangle_destructuring_assign_toplevel_true: {
     options = {
         toplevel: true,
+        evaluate: true,
+        unused: true,
     }
     mangle = {
         toplevel: true,
@@ -448,7 +454,7 @@ mangle_destructuring_assign_toplevel_true: {
         function test(opts) {
             let s, o, r;
             let a = opts.a || { e: 7, n: 8 };
-            ({ t, e, n, s = 9, o, r } = a);
+            ({ t, e, n, s =  5 + 4, o, r } = a);
             console.log(t, e, n, s, o, r);
         }
         let t, e, n;
@@ -476,6 +482,8 @@ mangle_destructuring_assign_toplevel_true: {
 mangle_destructuring_assign_toplevel_false: {
     options = {
         toplevel: false,
+        evaluate: true,
+        unused: true,
     }
     mangle = {
         toplevel: false,
@@ -511,3 +519,27 @@ mangle_destructuring_assign_toplevel_false: {
     ]
     node_version: ">=6"
 }
+
+mangle_destructuring_decl_array: {
+    options = {
+        evaluate: true,
+        unused: true,
+        toplevel: true,
+    }
+    mangle = {
+        toplevel: true,
+    }
+    beautify = {
+        ecma: 6
+    }
+    input: {
+        var [, t, e, n, s, o = 2, r = [ 1 + 2 ]] = [ 9, 8, 7, 6 ];
+        console.log(t, e, n, s, o, r);
+    }
+    expect: {
+        var [, o,  l,  a,  c,  e = 2,  g = [ 3 ]] = [ 9, 8, 7, 6 ];
+        console.log(o, l, a, c, e, g);
+    }
+    expect_stdout: "8 7 6 undefined 2 [ 3 ]"
+    node_version: ">=6"
+}