Fix wrong limit on list index in double.parse.

runtime/lib/double_patch.dart

Index: runtime/lib/double_patch.dart
diff --git a/runtime/lib/double_patch.dart b/runtime/lib/double_patch.dart
index 7dc4f54b88be5fd88465c866f8c482a14fc3eead..f00a833957dc03faa22409aeaab84c27fc8fa022 100644
--- a/runtime/lib/double_patch.dart
+++ b/runtime/lib/double_patch.dart
@@ -112,7 +112,7 @@ patch class double {
       if (negExponent >= P10.length) return null;
       return sign * (doubleValue / P10[negExponent]);
     }
-    if (exponent > P10.length) return null;
+    if (exponent >= P10.length) return null;
     return sign * (doubleValue * P10[exponent]);
   }