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Commit 26efef4f authored by Shubham Kulkarni's avatar Shubham Kulkarni Committed by Carles Cufí
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arch: xtensa: Fix backtrace from ISR 



a0 is used as scratch register. Restore value of a0 (return address)
from stack frame before spilling registers on stack

Signed-off-by: default avatarShubham Kulkarni <shubham.kulkarni@espressif.com>
parent 209e46c7
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