RFR: 8344336: SM cleanup of java.lang.System, Runtime, String, StackWalker

[Chen Liang]

On Fri, 15 Nov 2024 22:11:17 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Removed use of SecurityManager to check permissions.
> Relaxed defensive copying of byte arrays (due to lack of SM)

src/java.base/share/classes/java/lang/String.java line 691:

> 689:                     System.getSecurityManager() != null) {
> 690:                 bytes = Arrays.copyOfRange(bytes, offset, offset + length);
> 691:                 offset = 0;

Was this defensive copy particularly important to security managers but has no effect for other scenarios?

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PR Review Comment: https://git.openjdk.org/jdk/pull/22168#discussion_r1845705327