labath marked 2 inline comments as done.
labath added a comment.

In D63399#1546330 <https://reviews.llvm.org/D63399#1546330>, @clayborg wrote:

> I am concerned that our mapping from DIERef to lldb::user_id_t won't work for 
> all cases now that we are/have expanded the DIERef class (including as we add 
> the DWO field). I voiced this concern in https://reviews.llvm.org/D63428. Let 
> me know what you think.


I'll reply to that review tomorrow, for now here's a quick reply to the 
comments in this review.



================
Comment at: source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.cpp:59
 
   DWARFUnit *cu = m_debug_info.GetUnitAtOffset(DIERef::Section::DebugInfo, 
*cu_offset);
   if (!cu)
----------------
clayborg wrote:
> Shouldn't we be using the section from the DIERef in "entry" instead of hard 
> coding to "DIERef::Section::DebugInfo" here? If so we need a test to cover 
> this case so we don't regress
debug_names is DWARF5 only, which has moved back type units into the debug_info 
section. So `entry` does not contain the section, nor does it need to because 
we can always assume all units will be in the debug_info section.


================
Comment at: source/Plugins/SymbolFile/DWARF/HashedNameToDIE.h:64
+    explicit operator DIERef() const {
+      return DIERef(DIERef::Section::DebugInfo, DW_INVALID_OFFSET, die_offset);
+    }
----------------
clayborg wrote:
> DIEInfo objects are only ever used in .debug_info?
Yes. They are only used with apple indexes, and those only work with debug_info 
sections. -fdebug-types-section is hard-disabled on apple targets nowadays (it 
used to crash the compiler before that).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63399/new/

https://reviews.llvm.org/D63399



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