common: check clang version

[osalyk]

https://github.com/osalyk/pmdk/actions/runs/13176992738/job/36779437402

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This change is 

[grom72]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @janekmi)

[janekmi]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @osalyk)

[janekmi]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @osalyk)

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src/core/util.h line 336 at r1 (raw file):

/* tell clang to ignore the "cast-function-type-strict" warning */
#if defined(__clang__) && __clang_major__ >= 18

Just to be sure, how we determined it is not necessary for __clang_major__ < 18?

[osalyk]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @janekmi)

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src/core/util.h line 336 at r1 (raw file):

Previously, janekmi (Jan Michalski) wrote…

Just to be sure, how we determined it is not necessary for __clang_major__ < 18?

Release notes from llvm.

[grom72]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @janekmi and @osalyk)

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src/core/util.h line 336 at r1 (raw file):

Previously, osalyk (Oksana Sałyk) wrote…

Release notes from llvm.

are we able to test that with clang 16?