Big merge from experimental to bleeding edge.

tests/language/double_to_string_as_fixed_test.dart

Index: tests/language/double_to_string_as_fixed_test.dart
diff --git a/tests/language/double_to_string_as_fixed_test.dart b/tests/language/double_to_string_as_fixed_test.dart
index fae036365ca72875ccfe97e60f839533cc454173..80dda0cc119766c86085de76a3dc9eac13b85417 100644
--- a/tests/language/double_to_string_as_fixed_test.dart
+++ b/tests/language/double_to_string_as_fixed_test.dart
@@ -85,24 +85,6 @@ class ToStringAsFixedTest {
     Expect.equals("1.3", 1.25.toStringAsFixed(1));
     Expect.equals("234.2040", 234.20405.toStringAsFixed(4));
     Expect.equals("234.2041", 234.2040506.toStringAsFixed(4));
-    {
-      bool thrown = false;
-      try {
-        0.0.toStringAsFixed(-1);
-      } catch (e) {
-        thrown = true;
-      }
-      Expect.equals(true, thrown);
-    }
-    {
-      bool thrown = false;
-      try {
-        0.0.toStringAsFixed(22);
-      } catch (e) {
-        thrown = true;
-      }
-      Expect.equals(true, thrown);
-    }
   }
 }