================
@@ -2306,6 +2345,11 @@ bool DWARFASTParserClang::CompleteTypeFromDWARF(const
DWARFDIE &die,
if (!die)
return false;
+ ParsedDWARFTypeAttributes attrs(die);
----------------
ZequanWu wrote:
> Why don't those cases lead to a crash? For example, what would happen if the
> name was simply not in the index?
That is specific to debug_names because the index gives us a declaration DIE
when we are searching for definition DIE in
'FindDefinitionTypeForDWARFDeclContext'. Before, we didn't have the extra
check, so we tries to complete the type from declaration DIE, which triggers an
assertion in clang. However, it doesn't happen in manual index because we
already explicitly checked `DW_AT_declaration` attributes when creating the
manual index. It's guaranteed to find a definition DIE from
`FindDefinitionTypeForDWARFDeclContext` or nothing (early bailout, won't try to
complete it).
> So it seems perfectly reasonable to have this check somewhere. I just want to
> check whether this is the right place.
I assume Greg's change at https://github.com/llvm/llvm-project/pull/91808 will
also fix this problem by skipping forward declaration DIE when processing it,
which is earlier check than this extra check added here.
https://github.com/llvm/llvm-project/pull/92328
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