Files
sx/examples/diagnostics/1189-diagnostics-unknown-builtin.sx
agra 66bdc70bf1 test: group examples into per-category folders
Move examples/*.sx and their expected/ snapshots into per-category
subfolders (examples/<category>/...). Folder = leading filename token,
with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus
runner and LSP sweep now discover each category's expected/ dir, while
issues/ stays flat. Example 1058's repo-root-relative companion import
is made file-relative. Path strings embedded in 164 snapshots were
regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
2026-06-21 14:41:34 +03:00

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// A bodiless `#builtin` carrying a `$T: Type` parameter, whose name the
// compiler does not recognize, must fail LOUDLY with an "unknown #builtin"
// diagnostic — not silently evaluate to 0 (the CLAUDE.md silent-fallback
// pattern). The generic monomorphization path (monomorphizeFunction's
// builtin-body branch) now diagnoses an unresolved builtin name instead of
// falling through to `ensureTerminator`'s `constInt(0)`.
//
// Regression (issue 0144).
#import "modules/std.sx";
// `mystery` is not a recognized builtin.
mystery :: ($T: Type, x: T) -> T #builtin;
main :: () {
print("mystery(42) = {}\n", mystery(i64, 42));
}