how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox

how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox

how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox

how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox

how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox

how to debug customized self-compiled firefox when it crashes?

i’m working on a customized version of firefox