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sx/examples/diagnostics/1186-diagnostics-atomic-cas-ordering.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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// Atomic compare-exchange dual-ordering validation: the FAILURE ordering may not
// be stronger than the SUCCESS ordering (LLVM rule). Here failure=.seq_cst (rank
// 3) is stronger than success=.relaxed (rank 0) → loud diagnostic, not invalid IR.
// Calls the intrinsic directly so the diagnostic span is stable (user file, not
// the lib forward site). Stream A (atomics) A.2.
#import "modules/std.sx";
#import "modules/std/atomic.sx";
main :: () {
n : i64 = 0;
_ := atomic_cmpxchg(i64, @n, 0, 1, .relaxed, .seq_cst);
}