diff -r 3bbb6a284bd4 -r d69abed3a07d jdk/src/java.base/share/classes/java/lang/invoke/MethodType.java
--- a/jdk/src/java.base/share/classes/java/lang/invoke/MethodType.java	Wed Sep 10 19:19:47 2014 +0400
+++ b/jdk/src/java.base/share/classes/java/lang/invoke/MethodType.java	Wed Sep 10 19:19:47 2014 +0400
@@ -905,7 +905,7 @@
         if (!descriptor.startsWith("(") ||  // also generates NPE if needed
             descriptor.indexOf(')') < 0 ||
             descriptor.indexOf('.') >= 0)
-            throw new IllegalArgumentException("not a method descriptor: "+descriptor);
+            throw newIllegalArgumentException("not a method descriptor: "+descriptor);
         List<Class<?>> types = BytecodeDescriptor.parseMethod(descriptor, loader);
         Class<?> rtype = types.remove(types.size() - 1);
         checkSlotCount(types.size());