Just running lldb from the official 6.2 image spits out an error:
$ docker run -it --rm --platform linux/amd64 swift:6.2-noble lldb --batch -o 'dis -n _dispatch_sema4_wait' /usr/lib/swift/linux/libdispatch.so
lldb[1]: ==== LLDB swift-healthcheck log. ===
This file contains the configuration of LLDB's embedded Swift compiler to help diagnosing module import and search path issues. The swift-healthcheck command is meant to be run *after* an error has occurred.
lldb version 17.0.0 (https://github.com/swiftlang/llvm-project.git revision f403f1080b28ed3bf592ccbc491dadda2a5d4814)
Swift version 6.2 (swift-6.2-RELEASE)