Record execution faults in DynInst fault field. Previously the

DynInst field was being set only on memory faults.  If an FP
memory op encountered an FP enable fault, then the bogus memory
op would still get processed since the pipeline relied on the
inst->fault field to tell if the op was bogus.

--HG--
extra : convert_revision : 7435d712a464ce71b518425e0580aa22822fb901