Address comments from CL 10660026.

tests/language/side_effect_throw_test.dart

Index: tests/language/side_effect_throw_test.dart
diff --git a/tests/language/side_effect_throw_test.dart b/tests/language/side_effect_throw_test.dart
index a1f82c3167bddb6aae56d893979f15cdb88882f8..82c9cddadb96e75cd4ed2c96de12e9a05e9dd855 100644
--- a/tests/language/side_effect_throw_test.dart
+++ b/tests/language/side_effect_throw_test.dart
@@ -13,7 +13,7 @@ class B {
 class A {
   get _m => new B();
   opshl(n) {
-    // 'n' must be a number, but we are not allowed throw throw before we have
+    // 'n' must be a number, but we are not allowed to throw before we have
     // evaluated _m << 499.
     return (_m << 499) | (2 - n);
   }