I am recently analyze Proguard Source code . But I wonder In Java Specification 6 there is no ACC_BRIDGE tag,but appear in Java 7 Specification. And I found in Jvm 6 the tag is already used. Eric how did you know the features like ACC_BRIDGE tag and developed Proguard. I mean there is a lot of features like ACC_BRIDGE not describe in JVM 6 Specification . How did you know it?
The class file specs produced by JSR-202 list the ACC_BRIDGE flag and other changes to the class file format in Java 6. I agree that the JVM specs are sometimes hard to track down on the Oracle/Sun/JSR sites.
Thanks lafortune. I will be do more research. Analyzing Proguard is interesting.
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