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add rustc_abi(assert_eq) to test some guaranteed or at least highly expected ABI compatibility guarantees #115372

Merged
merged 12 commits into from
Sep 8, 2023
Merged

add rustc_abi(assert_eq) to test some guaranteed or at least highly expected ABI compatibility guarantees #115372

merged 12 commits into from
Sep 8, 2023

Commits on Sep 6, 2023

  1. rustc_abi: also support debugging function pointers

    @RalfJung
    RalfJung committed Sep 6, 2023
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  2. rustc_layout/abi: error when attribute is applied to the wrong thing

    @RalfJung
    RalfJung committed Sep 6, 2023
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Commits on Sep 7, 2023

  1. extend comments around PassMode::Direct

    @RalfJung
    RalfJung committed Sep 7, 2023
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  2. add support for rustc_abi(assert_eq) and use it to test some repr(tra… 

    …nsparent) cases
    @RalfJung
    RalfJung committed Sep 7, 2023
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Commits on Sep 8, 2023

  1. accept some differences for rustc_abi(assert_eq), so that we can test… 

    … more things to be compatible
    @RalfJung
    RalfJung committed Sep 8, 2023
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  2. add tests for RFC 3391

    @RalfJung
    RalfJung committed Sep 8, 2023
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  3. merge transparent-abi test into general abi compatibility test, and t… 

    …est repr(transparent) unions
    @RalfJung
    RalfJung committed Sep 8, 2023
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  4. also ensure that size and alignment are the same

    @RalfJung
    RalfJung committed Sep 8, 2023
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  5. add a testcase for another MIPS64 bug

    @RalfJung
    RalfJung committed Sep 8, 2023
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  6. the wasm ABI behavior is a bug

    @RalfJung
    RalfJung committed Sep 8, 2023
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  7. turns out Layout has some more things to worry about -- move ABI comp… 

    …arison into helper function

like is_bool, and some special magic extra fields
    @RalfJung
    RalfJung committed Sep 8, 2023
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  8. need to disable part of this test on arm

    @RalfJung
    RalfJung committed Sep 8, 2023
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