I've never seen an advertised limit on FPGAs. You'd probably grow old and die before you ran out of reflashes since that process takes a fair amount of time. 10

I've never seen an advertised limit on FPGAs. You'd probably grow old and die before you ran out of reflashes since that process takes a fair amount of time. 100,000 flashes at even five minutes each is over a year of relentless flashing.