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Miri validation error handling cleanup #71950

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merged 7 commits into from
May 7, 2020

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RalfJung
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@RalfJung RalfJung commented May 6, 2020

Slightly expand @jumbatm's pattern macro and use it throughout validation. This ensures we never incorrectly swallow InvalidProgram errors or ICE when they occur.

Fixes #71353
r? @oli-obk

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 6, 2020
err_ub!(AlignmentCheckFailed { .. }) =>
{ "unaligned vtable pointer in wide pointer" },
err_ub!(PointerOutOfBounds { .. }) =>
{ "too small vtable" },
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With the new macro, giving more precise errors is so easy that I just did it here. :D

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oli-obk commented May 6, 2020

@bors r+

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bors commented May 6, 2020

📌 Commit 0e2a712 has been approved by oli-obk

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 6, 2020
bors added a commit to rust-lang-ci/rust that referenced this pull request May 6, 2020
Rollup of 5 pull requests

Successful merges:

 - rust-lang#70908 (Provide suggestions for type parameters missing bounds for associated types)
 - rust-lang#71731 (Turn off rustc-dev-guide toolstate for now)
 - rust-lang#71888 (refactor suggest_traits_to_import)
 - rust-lang#71918 (Rename methods section)
 - rust-lang#71950 (Miri validation error handling cleanup)

Failed merges:

r? @ghost
@bors bors merged commit 066eb08 into rust-lang:master May 7, 2020
@RalfJung RalfJung deleted the try-validation-cleanup branch May 7, 2020 06:37
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Type validation mistreats layout errors
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