Back in the 1970's when we ran fortran on an IBM machine we had this
really powerful command called CALL FDUMP that if inserted into a
program would send the names and values of every variable, at the time
of its call, to a printer or file. In my opinion this was much more
useful at times than a symbolic debugger, in scientific number crunching
applications.
If gcc does not have a similar function call I feel there would be
people using gcc in the scientific community that very well might
appreciate CALL FDUMP being resurrected.