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fix bounds check in error recovery

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(thanks to avp@mit.edu)

R=rsc
CC=golang-dev
https://golang.org/cl/1998041
This commit is contained in:
Ken Thompson 2010-08-13 14:30:18 -07:00
parent 1f9dfa294f
commit 3efb4c3b63
1 changed files with 1 additions and 1 deletions
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2
src/cmd/goyacc/goyacc.go
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@ -3244,7 +3244,7 @@ yydefault:
Errflag = 3 Errflag = 3
/* find a state where "error" is a legal shift action */ /* find a state where "error" is a legal shift action */
for yyp >= len(YYS) { for yyp >= 0 {
yyn = yyPact[YYS[yyp].yys] + yyErrCode yyn = yyPact[YYS[yyp].yys] + yyErrCode
if yyn >= 0 && yyn < yyLast { if yyn >= 0 && yyn < yyLast {
yystate = yyAct[yyn] /* simulate a shift of "error" */ yystate = yyAct[yyn] /* simulate a shift of "error" */