RFR: 8301942: java/net/httpclient/DigestEchoClientSSL.java fail with -Xcomp

[SUN Guoyun]

This test failed with VM_OPTIONS=-Xcomp and CONF=fastdebug on the LOONGARCH64 architecture.

java.lang.AssertionError: WARNING: tracker for HttpClientImpl(1) has outstanding operations:
    Pending HTTP Requests: 0
    Pending HTTP/1.1 operations: 0
    Pending HTTP/2 streams: 0
    Pending WebSocket operations: 0
    Pending TCP connections: 1
    Total pending operations: 0
    Facade referenced: false
    Selector alive: true
Found 0 client still active, with 0 operations still pending out of 1 tracked clients.


This PR fix the issue, Please help review it.

Thanks.

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Commit messages:
 - 8301942: java/net/httpclient/DigestEchoClientSSL.java fail with -Xcomp

Changes: https://git.openjdk.org/jdk/pull/12449/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12449&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301942
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/12449.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12449/head:pull/12449

PR: https://git.openjdk.org/jdk/pull/12449