gc: look at cumulative error count, not just per-function.
gc: look at cumulative error count, not just per-function.

Not sure if this is what you'd really want.  Maybe with a higher limit than 10
or perhaps keep checking nerrors > 10 per yyerror, but check the cumulative
after each function?

R=rsc
CC=golang-dev
http://codereview.appspot.com/5376064

Committer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang