lookup: skip is-core-module on s390 as node:ffi not supported

[BethGriggs]

Checklist

• contribution guidelines followed
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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.20%. Comparing base (4d3d256) to head (563e87c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1151   +/-   ##
=======================================
  Coverage   96.20%   96.20%           
=======================================
  Files          29       29           
  Lines        2213     2213           
=======================================
  Hits         2129     2129           
  Misses         84       84           

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[ljharb]

i'm confused, what's not supported?

[richardlau]

i'm confused, what's not supported?

https://github.com/nodejs/node/blob/4486dce70979133ec1d7a9412807817de9608284/doc/api/ffi.md?plain=1#L38-L43

Which was surprising to those of us on the platform/s390 team as upstream libffi supports Linux on s390x.

[ljharb]

ok, so the issue is that is-core-module, on s390, expects node:ffi to be available, but it's not?

(what's the issue on windows?)

[MikeMcC399]

(what's the issue on windows?)

Question moved to #1163

is-core-module fails on WIndows.