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2020 Jan 14
2
DebugInfo: Purpose of call site tags
Hey folks,
I'm trying to wrap my head around the implementation, purpose, and costs
involved in both the GCC-extension v4 and standard v5 DW_TAG_call_site,
call site parameters, addresses, etc.
So picking up from some of the design discussion in
https://reviews.llvm.org/D72489:
Me (Blaikie): I'm not sure why AT_call_return_pc would be needed at a tail
call site as the debugger must