nodejs
diff --git a/Collapse file
‎lib/assert.js‎
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+4Lines changed: 4 additions & 0 deletions b/Collapse file
‎lib/assert.js‎
Copy file name to clipboardExpand all lines: lib/assert.js
+4Lines changed: 4 additions & 0 deletions
diff --git a/Collapse file
‎test/parallel/test-assert.js‎
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+20-1Lines changed: 20 additions & 1 deletion b/Collapse file
‎test/parallel/test-assert.js‎
Copy file name to clipboardExpand all lines: test/parallel/test-assert.js
+20-1Lines changed: 20 additions & 1 deletion
@@ -278,6 +278,10 @@ function expectedException(actual, expected) {
     // Ignore.  The instanceof check doesn't work for arrow functions.
   }
 
+  if (Error.isPrototypeOf(expected)) {
+    return false;
+  }
+
   return expected.call({}, actual) === true;
 }
 
 
@@ -344,9 +344,28 @@ a.throws(makeBlock(thrower, TypeError), function(err) {
   }
 });
 
+// https://github.com/nodejs/node/issues/3188
+threw = false;
 
-// GH-207. Make sure deepEqual doesn't loop forever on circular refs
+try {
+  var ES6Error = class extends Error {};
+
+  var AnotherErrorType = class extends Error {};
 
+  const functionThatThrows = function() {
+    throw new AnotherErrorType('foo');
+  };
+
+  assert.throws(functionThatThrows, ES6Error);
+} catch (e) {
+  threw = true;
+  assert(e instanceof AnotherErrorType,
+    `expected AnotherErrorType, received ${e}`);
+}
+
+assert.ok(threw);
+
+// GH-207. Make sure deepEqual doesn't loop forever on circular refs
 var b = {};
 b.b = b;
Original file line number	Diff line number	Diff line change
`@@ -278,6 +278,10 @@ function expectedException(actual, expected) {`
`278`	`278`	`// Ignore. The instanceof check doesn't work for arrow functions.`
`279`	`279`	`}`
`280`	`280`
	`281`	`+ if (Error.isPrototypeOf(expected)) {`
	`282`	`+ return false;`
	`283`	`+ }`
	`284`	`+`
`281`	`285`	`return expected.call({}, actual) === true;`
`282`	`286`	`}`
`283`	`287`