RFR: 8350855: RISC-V: print offset by assert of patch_offset_in_conditional_branch

[Hamlin Li]

HI,
Can you help to review this trivial patch?
We are facing the assert occasionally, but currently there is offset info printed out, it's good to have it, as it's not easy to reproduce it.

Thanks

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/23821/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23821&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8350855
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23821.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23821/head:pull/23821

PR: https://git.openjdk.org/jdk/pull/23821