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What dune test actually says right now, and why

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Four raylib fixtures fail, the same four on two consecutive runs:
images and audio, each at -O2 and -O0. They export to a hardcoded
/tmp path and get "Failed to export wave data" because /tmp is full,
and /tmp is full because of a runaway llc in another lane writing a
5.8 GB m4.o out of a 13 KB m4.ll. Nothing here writes to /tmp by a
fixed name and TMPDIR does not reach those fixtures, so item 17 says
that rather than claiming an unqualified green.
This commit is contained in:
Joseph Ferano 2026-09-13 18:43:00 +07:00
parent e0e5c1e645
commit 801b374c3c
2 changed files with 9 additions and 3 deletions
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10
DISCUSS.md
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@ -1103,8 +1103,14 @@ Item 16's verdict was that conditions were the only obstacle left and that a bou
Both halves held. The transfer channel's guard, the landing pads, the per-function transfer exit, `fdefers` on it,
`emit_restart_case`, `emit_with_alloc`, `signal`, `error`, `handler-bind`, `invoke-restart`, `check_at` and
`check_slice` are all in `lib/x86.ml` now, written from `spec-conditions.md` and `emit.ml`'s semantics rather than
ported. **`dune test --root .` is green, LLVM is untouched and still the default and the release backend, and `--x86`
is still off by default and still refused with `--dev`, `--debug`, `--sanitize` and every wasm target.**
ported. **LLVM is untouched and still the default and the release backend, and `--x86` is still off by default and
still refused with `--dev`, `--debug`, `--sanitize` and every wasm target.**
`dune test --root .` was green twice on this work, and is green now apart from four raylib fixtures — `images` and
`audio`, each at `-O2` and `-O0` — which export to a *hardcoded* `/tmp` path and fail with
`Failed to export wave data` because `/tmp` is full. It is full because of a runaway `llc` in another lane writing a
5.8 GB `m4.o` out of a 13 KB `m4.ll`; the same four fail on two consecutive runs and nothing else does. Nothing in
this lane writes to `/tmp` by a fixed name, and `TMPDIR` does not reach those fixtures.
### Question 1 — the counts, and what was compared

2
spike/x86/p6-transfer.flan
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@ -57,7 +57,7 @@
;;; is written by an invoke two pads and one function away from it.
(defn crosses-both [n i32] i32
(restart-case
(handler-bind [(Blip [c] (invoke-restart 'outer-three 7)) ]
(handler-bind [(Blip [c] (invoke-restart 'outer-three 7))]
(restart-case (middle n)
(inner-only [] 44)))
(outer-three [v i32] (* v 100))))