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cmd/gc: make bisonerrors compatible with GNU Bison 3.0

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R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/11990043
This commit is contained in:
Rémy Oudompheng 2013-07-30 04:31:15 +02:00
parent fc32bfa9cc
commit 4eaf91a7a7
1 changed files with 3 additions and 0 deletions
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3
src/cmd/gc/bisonerrors
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@ -35,6 +35,9 @@ grammar && NF>0 {
}
rulelhs[$1] = r
rulesize[$1] = NF-2
if(rulesize[$1] == 1 && $3 == "%empty") {
rulesize[$1] = 0
}
if(rulesize[$1] == 3 && $3 $4 $5 == "/*empty*/") {
rulesize[$1] = 0
}