I know there is a Windbg keyboard shortcut that allows one to set the current instruction pointer to some line of source code.
e.g. Click on a line of source code showing in Windbg; press (forgotten keyboard shortcut); Windbg sets EIP to that line of code.
I've forgotten the shortcut and can't find it documented anywhere.
You're looking for Ctrl+Shift+I. You can also find it in the Edit
menu.