Add patches to suppress native access warnings

Vladimir Petkorequested to merge
vpa1977/jruby:master into master

This MR resolves 1130186

Java 25 warns about Unsafe usages and unrestricted native access.

Changes:

  • Add options to enable unrestricted native access and allow Unsafe usage.

Testing:

  • jruby runs without warnings on stderr
$jruby --version
jruby 9.4.8.0 (3.1.4) 2026-03-10 9.4.8.0+ds OpenJDK 64-Bit Server VM 25.0.3-ea+5-[Ubuntu-1] on 25.0.3-ea+5-[Ubuntu-1] +jit [x86_64-linux]
  • autopkgtests pass:
autopkgtest [14:40:53]: @@@@@@@@@@@@@@@@@@@@ summary
smoke                PASS (superficial)
jgem                 PASS
jirb                 PASS
jruby                PASS
spec-compiler        PASS
spec-ffi             PASS
spec-ji              PASS
spec-jruby           PASS
spec-ruby            PASS
mri-core             PASS
mri-extra            PASS
mri-stdlib           PASS

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