cpp -traditional -P    pb_force.f > _pb_force.f
ifort -ldl -c -w95 -ftz   -O3 -IPF_fma -IPF_fp_relaxed -ip -FR  -o pb_force.o _pb_force.f
fortcom: Severe: _pb_force.f, line 1597: **Internal compiler error: segmentation violation signal raised** Please report this error along with the circumstances in which it occurred in a Software Problem Report.  Note: File and line given may not be explicit cause of this error.
end function ey
^
compilation aborted for _pb_force.f (code 3)
make[1]: *** [pb_force.o] Error 3
make[1]: Leaving directory `/pludisk1/oth/amber/amber9/src/pbsa'
make: *** [serial] Error 2
bash-2.05b$