[jdk17u-dev] RFR: 8329261: G1: interpreter post-barrier x86 code asserts index size of wrong buffer

[Satyen Subramaniam]

Backporting JDK-8329261: G1: interpreter post-barrier x86 code asserts index size of wrong buffer. This changeset updates an assert in G1's interpreter x86 post-barrier logic so that it refers to the right queue (G1DirtyCardQueue rather than pre-barrier's SATBMarkQueue) and moves the assert closer to the logic that exploits it. Doesn't change functionality.

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Commit messages:
 - Backport 1131bb77ec94dd131a10df4ba0f3fab32c65c0f2

Changes: https://git.openjdk.org/jdk17u-dev/pull/3443/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3443&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8329261
  Stats: 5 lines in 1 file changed: 3 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3443.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3443/head:pull/3443

PR: https://git.openjdk.org/jdk17u-dev/pull/3443