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When the compiler echoes back an expression, it shows the generated yacc expression. Change the generated code to use a slice so that $3 shows up as yyDollar[3] in such messages. Consider changing testdata/expr/expr.y to say: $$.Sub(float64($1), $3) (The float64 conversion is incorrect.) Before: expr.y:70[expr.go:486]: cannot convert exprS[exprpt - 2].num (type *big.Rat) to type float64 After: expr.y:70[expr.go:492]: cannot convert exprDollar[1].num (type *big.Rat) to type float64 Change-Id: I74e494069df588e62299d1fccb282f3658d8f8f4 Reviewed-on: https://go-review.googlesource.com/4630 Reviewed-by: Rob Pike <r@golang.org> |
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