Files
sx/examples/vectors/1502-vectors-runtime-lane-not-const.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 `Vector` lane count that is not a compile-time integer (here a runtime
// function call) is a hard error — a clean sx diagnostic with a non-zero exit,
// NOT a fabricated `<0 x float>` lane that crashes LLVM verification.
//
// Regression (issue 0083): the Vector lane resolver hand-rolled an `else => 0`
// switch that silently fabricated a 0-lane vector for a non-const lane. It now
// folds the lane through the shared const-int evaluator and, when that yields no
// compile-time integer, emits this diagnostic and halts the build.
#import "modules/std.sx";
lanes :: () -> u32 { return 3; }
main :: () {
v : Vector(lanes(), f32) = ---;
print("unreachable: {}\n", v.x);
}