[PATCH] D22292: [libunwind] Fix unw_getcontext for ARMv6-m

[Saleem Abdulrasool via cfe-commits]

compnerd added a subscriber: compnerd.
compnerd added a comment.

Can you explain why the write back is needed?  You are doing the write back on r0, but then adjusting it back.  So it is unclear why this change is needed.  Could you provide some more context.  A test case would be even better.


http://reviews.llvm.org/D22292