To allow the breakpoint to be hit when the source code is different, right-click on the breakpoint, choose 'Location.', and ...


To allow the breakpoint to be hit when the source code is different, right-click on the breakpoint, choose 'Location...', and turn on 'Allow the source code to be different from the original version.'

To allow this for all breakpoints, disable the option 'Require source files to exactly match the original version' under Tools, Options, Debugging, General.