[foreign-jextract] RFR: 8260717: jextract crashes with 'Crossing storage unit boundaries' for libcoap's block.h [v2]

[Athijegannathan Sundararajan]

> bitfield handling overhaul

Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:

  Removed unused import as per code review.

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Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/445/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/445/files/b26896d8..e6387798

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=445&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=445&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/445.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/445/head:pull/445

PR: https://git.openjdk.java.net/panama-foreign/pull/445