<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/77440>77440</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            LLDB Fails to Render List Correctly Within Nested Type in Unordered Map
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          JinjieZhao
      </td>
    </tr>
</table>

<pre>
    ## Environment:

OS: Ubuntu 22.04
Kernel: 5.15.0-91-generic
Clang Version: Ubuntu clang version 16.0.6
LLDB Version: 16.0.6

## Code:

```c++
#include <iostream>
#include <list>
#include <unordered_map>

class Node {
 public:
  std::list<size_t> history_;
};

int main() {
 std::unordered_map<uint32_t , Node> node_store_{};
  auto &node = node_store_[1];
  node.history_.push_back(2);
  std::cout << node.history_.size() << std::endl;
  std::cout << node_store_.size() << std::endl;
}
```

## build

`clang++ -o foo foo.cpp -g -O0 -Wall -Wextra -Werror -fuse-ld=lld -fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls -fstandalone-debug -stdlib=libc++
`

## lldb output:

```
(lldb) p node
(std::unordered_map<unsigned int, Node, std::hash<unsigned int>, std::equal_to<unsigned int>, std::allocator<std::pair<const unsigned int, Node> > >::mapped_type) $0 = {
  history_ = size=1 {
    [0] = 2
  }
}
(lldb) p node_store_
(std::unordered_map<unsigned int, Node, std::hash<unsigned int>, std::equal_to<unsigned int>, std::allocator<std::pair<const unsigned int, Node> > >) $1 = size=1 {
  [0] = {
    first = 1
    second = {
      history_ = size=0 {}
    }
  }

with error log
[GetCached] Looking into cache for type std::__1::list<unsigned long, std::__1::allocator<unsigned long> >
[GetCached] Cache search success. Returning.
Cache hits: 311 - Cache Misses: 91
[Get] Search failed. Giving language a chance.
[Get] Language search success. Returning.
[history_ 0x560d9e46fd00] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[ValueObjectSynthetic::UpdateValue] name=history_, synthetic filter said caches are stale - clearing
[ValueObjectSynthetic::UpdateValue] name=history_, synthetic filter said it will not provide a value
[history_ 0x560d9e46fd00] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[history_ 0x560d9d80fee0] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[history_ 0x560d9d80fee0] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[Debugger::FormatPrompt] dumping ordinary printable output
[history_ 0x560d9d80fee0] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[history_ 0x560d9d80fee0] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309
[ValueObjectSynthetic::CalculateNumChildren] for VO of name history_ and type std::__1::list<unsigned long, std::__1::allocator<unsigned long> >, the filter returned 0 child values
[history_ 0x560d9d80fee0] checking for FormatManager revisions. ValueObject rev: 309 - Global rev: 309

}
```
</pre>
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