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test(ffi-linkage): xfail example for extern data global (Phase 1.2c)

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Add examples/1225-ffi-extern-global.sx — '__stdinp : *void extern;'
references libSystem's stdin pointer via the bare 'extern' modifier on
a typed var decl (the extern-named counterpart of the #foreign global
in examples/1205). Hand-authored snapshot expects the success output.

RED: 1225 is the sole corpus failure (636 ran, 1 failed) — parse error,
'extern' after a type annotation is not yet accepted in the var-decl
path. Phase 1.2d parses it and lowers the extern global.

xfail commit per the cadence rule.
This commit is contained in:
agra
2026-06-14 13:33:50 +03:00
parent 5777ff62ad
commit 235f74a8c9
5 changed files with 21 additions and 0 deletions
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examples/expected/1225-ffi-extern-global.exit Normal file
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stdin extern global non-null: true