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test(ffi-linkage): xfail example for extern fn rename (Phase 1.2a)

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Add examples/1224-ffi-extern-fn-rename.sx — 'c_abs :: (n) -> i32
extern "abs";' binds C's abs via the optional symbol-name override.
Hand-authored expected captures the success output (c_abs(-42) = 42).

RED: 1224 is the sole corpus failure (635 ran, 1 failed) — parse error,
the '"abs"' string after 'extern' is not yet accepted. Phase 1.2b
parses the optional [LIB] ["csym"] tail and consumes the rename.

xfail commit per the cadence rule.
This commit is contained in:
agra
2026-06-14 13:26:57 +03:00
parent 18c43984e1
commit 5f946a3d44
5 changed files with 26 additions and 1 deletions
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examples/expected/1224-ffi-extern-fn-rename.exit Normal file
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examples/expected/1224-ffi-extern-fn-rename.stderr Normal file
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examples/expected/1224-ffi-extern-fn-rename.stdout Normal file
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c_abs(-42) = 42