Previously this class used the file passed in directly to look up files in the in-memory mock file-system. But this doesn't match the behaviour of case-insensitive file-systems. Now the look up is done on the canonical file paths. PR Close #36859
Previously this class used the file passed in directly to look up files in the in-memory mock file-system. But this doesn't match the behaviour of case-insensitive file-systems. Now the look up is done on the canonical file paths. PR Close #36859