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[0.38.0] Backport CI fixes #4491

Merged
merged 3 commits into from Jul 20, 2022
Merged

[0.38.0] Backport CI fixes #4491

merged 3 commits into from Jul 20, 2022

Commits on Jul 20, 2022

  1. Fix panics in s390x codegen related to aliases 

    This commit fixes an issue introduced as part of the fix for
GHSA-5fhj-g3p3-pq9g. The `reftyped_vregs` list given to `regalloc2` is
not allowed to have duplicates in it and while the list originally
doesn't have duplicates once aliases are applied the list may have
duplicates. The fix here is to perform another pass to remove duplicates
after the aliases have been processed.
    @alexcrichton
    alexcrichton committed Jul 20, 2022
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  2. Fix a miscompile for s390x with constants 

    This carries over a narrow fix from bytecodealliance#4427 to prior release branches. The
patch here was created by `@uweigand` during the investigation for bytecodealliance#4487.
    @alexcrichton
    alexcrichton committed Jul 20, 2022
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  3. Add release notes

    @alexcrichton
    alexcrichton committed Jul 20, 2022
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