Files
ww/test/wcc/data/const_divzero_reject/case.ww
Hojun-Cho 74cc35d488 test: migrate Fam4 static-init/DATA-emit value tests to @test (#30)
Continues the test-arch tower past Fam8-13. 11 module-level static-init
/ DATA-emit value drivers move from test/wcc/*_run.c into @test row-
tables under test/lang/; every classification empirically re-probed at
HEAD (refuting two stale worklist tags).

- value rows -> test/lang/*_test.ww (11 files)
- reject rows -> runww //ww:error carriers (3, dual-stage non-vacuous;
  947 const-divzero confirmed a both-stage compile-reject, not run-exit)
- 840_zeroinit, 944_array_zeroinit, 989_arrlit_tail_zero kept as byte-id
  .c pins (zero-over-dirtied-frame / DATAW-length is byte-id-blind to a
  runtime @test; #263), mutation-gated
- repoint two stale comment refs to deleted test names (719,
  989_structlocal_frame)

Migrated static-init @test ride the cs==ww T2 byte-id gate, preserving
DATA-emit byte-id. 2D global-struct array-field read (#137/#150)
confirmed cs==ww + correct at HEAD. Coverage parity verified row-by-row;
two-round reviewed. Floor ratchet follows.
2026-06-25 01:32:32 +09:00

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//ww:error "division by zero"
// #133/rule-7 carrier: a div-by-zero const-expr module-global init stays a
// COMPILE error in BOTH stages, NOT silently zeroed (the eval_def_const error
// path survives the let-hook). From test/wcc/947_inferred_scalar_global_run.c
// const_divzero.
package main;
let s = 7 / 0;
export fn main() i32 = { return s: i32; };