skip invalid JS tests on IE as well

tests/language/language.status

Index: tests/language/language.status
diff --git a/tests/language/language.status b/tests/language/language.status
index 1e1fbb10e20d222fcdf89f44779d2d052cfcfc6f..1747003efa7d6ced916afa33f818e1832ca867cf 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -227,13 +227,13 @@ ToStringAsFixedTest: Fail # fails due to rounding in constant propagation
 
 # This set of four test components (frog, frogsh, frogium, and webdriver) all
 # consume frog output, so if frog is generating the incorrect code, chances are
-# it will fail on all of these components. 
+# it will fail on all of these components.
 #
 # Further explanation:
 # frog: frog compiler, run using the VM
 # frogsh: self-hosted frog compiler
 # frogium: Dart code compiled with frogsh running under DumpRenderTree
-# webdriver: Dart code compiled with frogsh running on an actual browser 
+# webdriver: Dart code compiled with frogsh running on an actual browser
 # (Chrome, IE, Firefox, Safari, etc). If a test is only failing on a particular
 # browser, you can be more specific about the failure by using $browser:
 # [ $component == webdriver && $browser == chrome ] for example.
@@ -398,7 +398,10 @@ ToStringAsFixedTest: Fail
 ExecuteFinally7Test: Skip
 StaticFinalField2NegativeTest: Skip
 
-[ $component == webdriver && ($browser == ff || $browser == safari) ]
+# For these tests Frog generates invalid JS. Chrome throws a SyntaxError, but
+# other browsers don't, so they eventually timeout.
+# In any case, we shouldn't be relying on SyntaxError.
+[ $component == webdriver && ($browser == ff || $browser == safari || $browser == ie) ]
 Label2NegativeTest: Skip
 Label3NegativeTest: Skip
 Label5NegativeTest: Skip