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goyacc: fix indexing bug when yydebug >= 2

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Fixes #2701.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5556070
This commit is contained in:
Rob Pike 2012-01-20 10:22:41 -08:00
parent 0a851754a0
commit a67c69cbae
1 changed files with 2 additions and 3 deletions
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5
src/cmd/goyacc/goyacc.go
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@ -3271,10 +3271,9 @@ $$default:
}
}
/* the current p has no shift onn "error", pop stack */
/* the current p has no shift on "error", pop stack */
if $$Debug >= 2 {
fmt.Printf("error recovery pops state %d, uncovers %d\n",
$$S[$$p].yys, $$S[$$p-1].yys)
fmt.Printf("error recovery pops state %d\n", $$S[$$p].yys)
}
$$p--
}