Enforce early initialization of CGLIB method proxies (for AOT processing)

For non-required method proxies, prefer regular reflective invocation instead.

See gh-29107

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassEnhancer.java

@@ -541,7 +541,7 @@ class ConfigurationClassEnhancer {
 				if (method.getName().equals("getObject") && args.length == 0) {
 					return beanFactory.getBean(beanName);
 				}
-				return proxy.invoke(factoryBean, args);
+				return method.invoke(factoryBean, args);
 			});
 
 			return fbProxy;

spring-core/src/main/java/org/springframework/cglib/proxy/MethodProxy.java

@@ -55,6 +55,13 @@ public class MethodProxy {
 		proxy.sig1 = new Signature(name1, desc);
 		proxy.sig2 = new Signature(name2, desc);
 		proxy.createInfo = new CreateInfo(c1, c2);
+
+		// SPRING PATCH BEGIN: early initialization for overridden methods on subclasses
+		if (!c1.isInterface()) {
+			proxy.init();
+		}
+		// SPRING PATCH END
+
 		return proxy;
 	}