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[TSan] Improve handling of stack pointer mangling in {set,long}jmp, pt.4

Description

[TSan] Improve handling of stack pointer mangling in {set,long}jmp, pt.4

For x86_64, since we don't clobber %rsi (2nd argument) anymore, we don't
have to save/restore it.

Reviewed By: dvyukov

Differential Revision: https://reviews.llvm.org/D63946

Details

Committed
ylnJul 5 2019, 11:00 AM
Reviewer
dvyukov
Differential Revision
D63946: [TSan] Improve handling of stack pointer mangling in {set,long}jmp, pt.4
Parents
rL365228: Add LLDB section to the release notes
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