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[TSan] Improve handling of stack pointer mangling in {set,long}jmp, pt.2

Authored by yln on Jun 28 2019, 10:28 AM.



Switch LongJmp over to lookup JmpBuf via plain old (unmangled) SP.
This makes the computation of mangled SPs in the TSan assembly files
unnecessary, which will be cleaned up in follow-up revisions.

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yln created this revision.Jun 28 2019, 10:28 AM
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dvyukov accepted this revision.Jul 1 2019, 2:19 AM

Looks good (if it does not break anything :))

This revision is now accepted and ready to land.Jul 1 2019, 2:19 AM
This revision was automatically updated to reflect the committed changes.