windbg cannot get typeinfo when debugging chromium on Windows

[Herb Z]

im debugging chromium 147.0.7727.56 on Windows, when i watch vars in windbg, i can only see values for basic types like int and bool, all object vars are displayed as "Cannot find typeinfo". what's wrong here?

# Build arguments go here.
# See "gn args <out_dir> --list" for available build arguments.
is_debug = true
is_component_build = false
target_cpu = "x64"
is_official_build = false
chrome_pgo_phase = 0
symbol_level = 2
ffmpeg_branding = "Chrome"
proprietary_codecs = true
enterprise_watermark = true
enable_disk_cache_sql_backend = false