do not use anonymous threads

src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java

@@ -91,7 +91,7 @@ public class ClassWrapper {
           else {
             MethodProcessorRunnable mtProc = new MethodProcessorRunnable(mt, varProc, DecompilerContext.getCurrentContext());
 
-            Thread mtThread = new Thread(mtProc);
+            Thread mtThread = new Thread(mtProc, "Java decompiler");
             long stopAt = System.currentTimeMillis() + maxSec * 1000;
 
             mtThread.start();