The `StringRef` in `MemoryBlobReader` was referencing data that was freed under some circumstances. While the actual packed data is shared between the original object and copy-on-eval object, the name of the blobs are not.
The `StringRef` in `MemoryBlobReader` was referencing data that was freed under some circumstances. While the actual packed data is shared between the original object and copy-on-eval object, the name of the blobs are not.