================
@@ -301,7 +301,8 @@ using Entry = llvm::DWARFDebugNames::Entry;
/// If any parent does not have an `IDX_parent`, or the Entry data is
corrupted,
/// nullopt is returned.
std::optional<llvm::SmallVector<Entry, 4>>
-getParentChain(Entry entry, uint32_t max_parents) {
+getParentChain(Entry entry,
+ uint32_t max_parents = std::numeric_limits<uint32_t>::max()) {
llvm::SmallVector<Entry, 4> parent_entries;
----------------
labath wrote:
The first one. Basically, if you try something like `clang++ -o - -c -g
-gpubnames -fdebug-types-section -x c++ - <<<"struct A { struct B {}; }; A a;
A::B b;"`, you'll see that the entry for `B` has no DW_IDX_parent attribute (I
think it could have it, but we'd have to figure out what exactly it should
refer to).
https://github.com/llvm/llvm-project/pull/108907
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