Alastair Houghton dd7acb1739 [Backtracing][Linux] Properly align the stacks. ...

We have two stacks that we set up during crash handling, both of
which were potentially misaligned.  This only tripped us up on
Ubuntu 20.04 on aarch64 - my guess is that maybe `clone()` aligns
the stack pointer on newer kernels which is why we didn't see it
on 22.04.

rdar://110743884

2023-06-14 13:40:51 +01:00

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