diff --git a/TODO b/TODO
index eb1563f..2f82c24 100644
--- a/TODO
+++ b/TODO
@@ -62,5 +62,5 @@ Optimization ideas:
 Test262o:   0/11262 errors, 463 excluded
 Test262o commit: 7da91bceb9ce7613f87db47ddd1292a2dda58b42 (es5-tests branch)
 
-Result: 58/79349 errors, 1610 excluded, 6649 skipped
+Result: 46/79341 errors, 1618 excluded, 6649 skipped
 Test262 commit: 27622d764767dcb3778784884022c2c7de5769b8
diff --git a/test262.conf b/test262.conf
index 809d416..77de087 100644
--- a/test262.conf
+++ b/test262.conf
@@ -321,6 +321,15 @@ test262/test/staging/sm/Function/function-toString-builtin-name.js
 test262/test/staging/sm/extensions/arguments-property-access-in-function.js
 test262/test/staging/sm/extensions/function-caller-skips-eval-frames.js
 test262/test/staging/sm/extensions/function-properties.js
+test262/test/staging/sm/regress/regress-577648-1.js
+test262/test/staging/sm/regress/regress-577648-2.js
+test262/test/staging/sm/regress/regress-584355.js
+test262/test/staging/sm/regress/regress-586482-1.js
+test262/test/staging/sm/regress/regress-586482-2.js
+test262/test/staging/sm/regress/regress-586482-3.js
+test262/test/staging/sm/regress/regress-586482-4.js
+test262/test/staging/sm/regress/regress-699682.js
+
 # RegExp toSource not fully compliant
 test262/test/staging/sm/RegExp/toString.js
 test262/test/staging/sm/RegExp/source.js
diff --git a/test262_errors.txt b/test262_errors.txt
index 7e086f6..968b232 100644
--- a/test262_errors.txt
+++ b/test262_errors.txt
@@ -33,7 +33,6 @@ test262/test/staging/sm/class/superPropOrdering.js:83: Error: Assertion failed:
 test262/test/staging/sm/expressions/short-circuit-compound-assignment-const.js:97: TypeError: 'a' is read-only
 test262/test/staging/sm/expressions/short-circuit-compound-assignment-tdz.js:23: Error: Assertion failed: expected exception ReferenceError, got TypeError: 'a' is read-only
 test262/test/staging/sm/extensions/TypedArray-set-object-funky-length-detaches.js:55: RangeError: invalid array length
-test262/test/staging/sm/extensions/regress-469625-01.js:16: Test262Error: TM: Array prototype and expression closures Expected SameValue(«"TypeError: [].__proto__ is not a function"», «"TypeError: not a function"») to be true
 test262/test/staging/sm/generators/syntax.js:30: Error: Assertion failed: expected SyntaxError, but no exception thrown - function* g() { (function* yield() {}); }
 test262/test/staging/sm/lexical-environment/block-scoped-functions-annex-b-arguments.js:14: Test262Error: Expected SameValue(«"object"», «"function"») to be true
 test262/test/staging/sm/lexical-environment/block-scoped-functions-annex-b-eval.js:12: Test262Error: Expected SameValue(«"outer-gouter-geval-gtruefalseq"», «"outer-geval-gwith-gtruefalseq"») to be true
@@ -42,15 +41,7 @@ test262/test/staging/sm/lexical-environment/block-scoped-functions-annex-b-notap
 test262/test/staging/sm/lexical-environment/block-scoped-functions-deprecated-redecl.js:23: Test262Error: Expected SameValue(«3», «4») to be true
 test262/test/staging/sm/lexical-environment/var-in-catch-body-annex-b-eval.js:17: Test262Error: Expected SameValue(«"g"», «"global-x"») to be true
 test262/test/staging/sm/object/defineProperties-order.js:14: Test262Error: Expected SameValue(«"ownKeys,getOwnPropertyDescriptor,getOwnPropertyDescriptor,get,get"», «"ownKeys,getOwnPropertyDescriptor,get,getOwnPropertyDescriptor,get"») to be true
-test262/test/staging/sm/regress/regress-577648-1.js:21: Test262Error: 1 Expected SameValue(«true», «false») to be true
-test262/test/staging/sm/regress/regress-577648-2.js:14: Test262Error:  Expected SameValue(«true», «false») to be true
-test262/test/staging/sm/regress/regress-584355.js:12: Test262Error:  Expected SameValue(«"function f () { ff (); }"», «"undefined"») to be true
-test262/test/staging/sm/regress/regress-586482-1.js:19: Test262Error: ok Expected SameValue(«true», «false») to be true
-test262/test/staging/sm/regress/regress-586482-2.js:19: Test262Error: ok Expected SameValue(«true», «false») to be true
-test262/test/staging/sm/regress/regress-586482-3.js:18: Test262Error: ok Expected SameValue(«true», «false») to be true
-test262/test/staging/sm/regress/regress-586482-4.js:14: Test262Error: ok Expected SameValue(«function() { this.f(); }», «undefined») to be true
 test262/test/staging/sm/regress/regress-602621.js:14: Test262Error: function sub-statement must override arguments Expected SameValue(«"function"», «"object"») to be true
-test262/test/staging/sm/regress/regress-699682.js:15: Test262Error: Expected SameValue(«false», «true») to be true
 test262/test/staging/sm/regress/regress-1383630.js:30: Error: Assertion failed: expected exception TypeError, no exception thrown
 test262/test/staging/sm/statements/arrow-function-in-for-statement-head.js:15: Test262Error: expected syntax error, got Error: didn't throw Expected SameValue(«false», «true») to be true
 test262/test/staging/sm/statements/regress-642975.js:14: Test262Error: Expected SameValue(«undefined», «"y"») to be true
diff --git a/tests/test262.patch b/tests/test262.patch
index b6f4aa5..4ed0afb 100644
--- a/tests/test262.patch
+++ b/tests/test262.patch
@@ -90,6 +90,43 @@ index c1829e3..3a3ee27 100644
 -}
 \ No newline at end of file
 +}
+diff --git a/test/staging/sm/extensions/regress-469625-01.js b/test/staging/sm/extensions/regress-469625-01.js
+index 5b62aeb..da07aae 100644
+--- a/test/staging/sm/extensions/regress-469625-01.js
++++ b/test/staging/sm/extensions/regress-469625-01.js
+@@ -14,8 +14,7 @@ esid: pending
+ //-----------------------------------------------------------------------------
+ var BUGNUMBER = 469625;
+ var summary = 'TM: Array prototype and expression closures';
+-var actual = '';
+-var expect = '';
++var actual = null;
+ 
+ 
+ //-----------------------------------------------------------------------------
+@@ -27,9 +26,6 @@ function test()
+   printBugNumber(BUGNUMBER);
+   printStatus (summary);
+  
+-  expect = 'TypeError: [].__proto__ is not a function';
+-
+-
+   Array.prototype.__proto__ = function () { return 3; };
+ 
+   try
+@@ -38,8 +34,10 @@ function test()
+   }
+   catch(ex)
+   {
+-    print(actual = ex + '');
++    print(ex + '');
++    actual = ex;
+   }
+ 
+-  assert.sameValue(expect, actual, summary);
++  assert.sameValue(actual instanceof TypeError, true);
++  assert.sameValue(actual.message.includes("not a function"), true);
+ }
 diff --git a/test/staging/sm/misc/new-with-non-constructor.js b/test/staging/sm/misc/new-with-non-constructor.js
 index 18c2f0c..f9aa209 100644
 --- a/test/staging/sm/misc/new-with-non-constructor.js