Fix for issues when mixing @NonNull on params with @SneakyThrows or @Synchronized [Issue #588]

test/transform/resource/after-ecj/NonNullWithSneakyThrows.java

@@ -0,0 +1,18 @@
+class NonNullWithSneakyThrows {
+  NonNullWithSneakyThrows() {
+    super();
+  }
+  @lombok.SneakyThrows void test(@lombok.NonNull String in) {
+    try 
+      {
+        if ((in == null))
+            {
+              throw new java.lang.NullPointerException("in");
+            }
+        System.out.println(in);
+      }
+    catch (final java.lang.Throwable $ex)       {
+        throw lombok.Lombok.sneakyThrow($ex);
+      }
+  }
+}