The Audacity of Cope: catching rustc's layout panics so std can fly - #140

Draft

cds-amal wants to merge 94 commits into

cds/the-curious-case-of-stdlib

Commits on Mar 8, 2026

feat(make): add self-documenting help target and clean up idioms
cds-amal
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0ce3df0
fix(make): drop non-portable \s from awk patterns in help target
cds-amal
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0018542
fix(ty_visitor): catch rustc panics during layout computation
cds-amal
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3e1f766
feat(make): add stdlib-smir target for generating stdlib smir.json
cds-amal
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efb78c9
fix(cargo_stable_mir_json): derive toolchain lib path dynamically
cds-amal
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813804c
refactor(make): stdlib-smir uses binary directly, not wrapper script
cds-amal
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2cb1ad5
refactor: derive rustc commit from toolchain, drop metadata field
cds-amal
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2310378

Commits on Mar 9, 2026

feat: add build.rs cfg detection for multi-nightly stable MIR support
cds-amal
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2c30c5d
refactor(build): replace cargo warnings with eprintln, add build-info target
cds-amal
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32a238f
feat(build): add smir_has_raw_ptr_kind breakpoint for AddressOf change
cds-amal
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dc42ac4
feat(build): add compat breakpoints for RunCompiler and MonoItemPartitions
cds-amal
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8d8416c
feat(ui-tests): per-nightly effective test lists via base+delta
cds-amal
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a32c5e9
docs(ui-tests): update README for base+delta test list workflow
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4fa068f
feat(make): add test-ui-emit target for generating per-nightly test lists
cds-amal
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4f04a8d
bump pinned nightly to 2025-03-01
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a650784
chore(fmt): cargo fmt
cds-amal
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63f058f
fix(integration): normalise unstable interned IDs for cross-platform determinism
cds-amal
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72cf997
feat(compat): add IndexedVal shim for nightly >= 2025-07-05
cds-amal
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a5ede03
fix(compat): gate stable_mir import on old-nightly cfg path
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a90152d
docs: add nightly compatibility guide for maintainers
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a245efa
refactor(test): per-nightly golden files for integration tests
cds-amal
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2f704fd
fix: address new warnings on nightly-2025-07-05, cargo fmt
cds-amal
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9e618c6
bump pinned nightly to 2025-07-05
cds-amal
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ef98ba9
docs: update for per-nightly golden files and toolchain bump
cds-amal
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7219ac6
feat(compat): handle rustc_internal move from rustc_smir to stable_mir
cds-amal
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dc94214
docs: add rustc_internal_moved breakpoint to compat guide
cds-amal
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e132627
test: add golden files for nightly-2025-07-08
cds-amal
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ba70369
fix: inline format args to satisfy clippy uninlined_format_args lint
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7f98c71
add standalone make fmt and make clippy targets
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46d244e
cargo fmt
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a3e0b25
feat(compat): handle GlobalAlloc::TypeId variant added in nightly-2025-07-11
cds-amal
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df8743c
docs: add GlobalAlloc::TypeId breakpoint to compat guide
cds-amal
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244a3c8
cargo fmt
cds-amal
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ec59bbc
bump pinned nightly to 2025-07-11
cds-amal
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315846f
docs: document rustc_public epoch boundary at nightly-2025-07-15
cds-amal
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947f393
fix(ui-tests): handle filenames with $ in diff_test_lists.sh
cds-amal
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7b55df8
feat(ui-tests): add effective test lists for nightly-2025-07-11
cds-amal
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5478318
docs: update pr.md with nightly-2025-07-11 UI test coverage
cds-amal
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7603b2e
docs: add stdlib smir.json instructions to README
cds-amal
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deed51a

Commits on Mar 10, 2026