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cmd/yacc: fix compile error in empty grammar

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Fixes #12154.

Change-Id: I1e6d1a3479a8a6fc8f53aebd18fb142506110809
Reviewed-on: https://go-review.googlesource.com/13673
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Russ Cox 2015-08-17 20:54:05 -04:00
parent d931716cde
commit 3f016215a8
1 changed files with 1 additions and 0 deletions
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src/cmd/yacc/yacc.go
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@ -3473,6 +3473,7 @@ func ($$rcvr *$$ParserImpl) Parse($$lex $$Lexer) int {
var $$lval $$SymType
var $$VAL $$SymType
var $$Dollar []$$SymType
_ = $$Dollar // silence set and not used
$$S := make([]$$SymType, $$MaxDepth)
Nerrs := 0 /* number of errors */