[PSA] Missing source lines in `libFuzzer` stack trace

[abonander]

You need to install the llvm-dev package, or otherwise llvm-symbolizer needs to be added to $PATH as shown here: https://chromium.googlesource.com/chromium/src/testing/libfuzzer/+/HEAD/getting_started.md#build-and-run-fuzz-target-locally

[mimoo]

this saved me :) I suggest adding this in a FAQ somewhere!