Fix stackoverflow when trying to decompile a local class that constru…

…cts its self.

Example:

class Scratch {
    public static void main(String[] args) {
        record Example() {
            static Example createExample() {
                return new Example();
            }
        }
        Example example = Example.createExample();
    }
}

build.gradle

@@ -7,7 +7,7 @@ plugins {
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
-version = '0.2.1'
+version = '0.2.2'
 
 def ENV = System.getenv()
 version = version + (ENV.GITHUB_ACTIONS ? "" : "+local")

src/org/benf/cfr/reader/entities/Method.java

@@ -383,7 +383,9 @@ public void markUsedLocalClassType(JavaTypeInstance javaTypeInstance, String sug
         javaTypeInstance = javaTypeInstance.getDeGenerifiedType();
         if (!(javaTypeInstance instanceof JavaRefTypeInstance))
             throw new IllegalStateException("Bad local class Type " + javaTypeInstance.getRawName());
-        localClasses.put((JavaRefTypeInstance) javaTypeInstance, suggestedName);
+		if (((JavaRefTypeInstance) javaTypeInstance).getClassFile() == this.classFile)
+			return; // Recursive local class, can happen if the local class is constructed within its self.
+		localClasses.put((JavaRefTypeInstance) javaTypeInstance, suggestedName);
     }
 
     public void markUsedLocalClassType(JavaTypeInstance javaTypeInstance) {