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8233091: Backout JDK-8212117: Class.forName loads a class but not linked if class is not initialized

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Reviewed-by: alanb, dholmes, mchung
This commit is contained in:
Brent Christian 2019-11-04 11:42:24 -08:00
parent 691e75e223
commit 3561b4ed50
13 changed files with 14 additions and 340 deletions
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22
src/java.base/share/classes/java/lang/Class.java
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@ -392,10 +392,6 @@ public final class Class<T> implements java.io.Serializable,
*
* @see java.lang.Class#forName(String)
* @see java.lang.ClassLoader
*
* @jls 12.2 Loading of Classes and Interfaces
* @jls 12.3 Linking of Classes and Interfaces
* @jls 12.4 Initialization of Classes and Interfaces
* @since 1.2
*/
@CallerSensitive
@ -442,10 +438,6 @@ public final class Class<T> implements java.io.Serializable,
* <p> This method does not check whether the requested class is
* accessible to its caller. </p>
*
* <p> Note that this method throws errors related to loading and linking as
* specified in Sections 12.2 and 12.3 of <em>The Java Language
* Specification</em>.
*
* @apiNote
* This method returns {@code null} on failure rather than
* throwing a {@link ClassNotFoundException}, as is done by
@ -473,8 +465,6 @@ public final class Class<T> implements java.io.Serializable,
* in a module.</li>
* </ul>
*
* @jls 12.2 Loading of Classes and Interfaces
* @jls 12.3 Linking of Classes and Interfaces
* @since 9
* @spec JPMS
*/
@ -498,21 +488,13 @@ public final class Class<T> implements java.io.Serializable,
cl = module.getClassLoader();
}
Class<?> ret;
if (cl != null) {
ret = cl.loadClass(module, name);
return cl.loadClass(module, name);
} else {
ret = BootLoader.loadClass(module, name);
return BootLoader.loadClass(module, name);
}
if (ret != null) {
// The loaded class should also be linked
linkClass(ret);
}
return ret;
}
private static native void linkClass(Class<?> c);
/**
* Creates a new instance of the class represented by this {@code Class}
* object. The class is instantiated as if by a {@code new}