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The test is skipped if the compiler doesn't support
SVE, otherwise it uses some SVE intrinsics across a
few functions and then sends a signal to take a
backtrace from the sum() function.
Without the previous SVE changes, the unwinding
fails at sum() and the stack looks like:
-> signal_handler()
-> kill()
-> sum()
With the changes the full stack to main can be
unwound and the test passes:
-> signal_handler()
-> kill()
-> sum()
-> square()
-> main()
Currently this test will pass on a Graviton 3 instance
on AWS and with gcc-10.
Co-authored-by: Kent Cheung <Kent.Cheung@arm.com>
Signed-off-by: James Clark <james.clark@arm.com>
Change-Id: Ibe38e6b0fa26276c545f044ffdd26fbdb2789c38
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