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roc-lang / roc

A fast, friendly, functional language.
https://roc-lang.org
Universal Permissive License v1.0
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Roc crashed with `Cannot load no data into general registers` #6994

Open lukewilliamboswell opened 2 months ago

lukewilliamboswell commented 2 months ago

This issue was caught in #6990 CI for start-nix-linux-x86-64-tests using the dev backend

$ cargo nextest-gen-dev gen_list::list_sort_asc_by
    Starting 1 test across 2 binaries (1080 skipped; run ID: ed49984b-8660-441b-8234-cc1ddfd2244e, nextest profile: default)
        FAIL [   0.315s] test_gen::test_gen gen_list::list_sort_asc_by

--- STDOUT:              test_gen::test_gen gen_list::list_sort_asc_by ---

running 1 test
--- STDERR:              test_gen::test_gen gen_list::list_sort_asc_by ---
An internal compiler expectation was broken.
This is definitely a compiler bug.
Please file an issue here: <https://github.com/roc-lang/roc/issues/new/choose>
Cannot load no data into general registers: `#UserApp.IdentId(65)`
Location: crates/compiler/gen_dev/src/generic64/storage.rs:544:17
lukewilliamboswell commented 2 months ago

I spent a while tinkering with this but didn't make any progress.