derekparker/delve — pull request #13 by ebfe (2014-11-13 11:07:40+00:00)
Title: Handle missing line info in printcontext

before:

$ ./dlv -run
Type 'help' for list of commands.
dlv> step
Stopped at: :0
Command failed: open : no such file or directory
dlv> step
Stopped at: :0
Command failed: open : no such file or directory

after:

$ ./dlv -run
Type 'help' for list of commands.
dlv> step
Stopped at: 0x7fb7c452b334
=> no source available
dlv> step
Stopped at: 0x7fb7c452b337
=> no source available