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cmd/compile/internal/syntax: fix error message for ... without type

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Only complain about missing type; leave it to type-checking
to decide whether "..." is permitted in the first place.

Fixes #43674.

Change-Id: Icbc8f084e364fe3ac16076406a134354219c08d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/310209
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Robert Griesemer 2021-04-14 13:10:34 -07:00
parent ddd8d7c0a6
commit a63ff398d5
3 changed files with 15 additions and 2 deletions
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2
src/cmd/compile/internal/syntax/parser.go
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@ -1836,7 +1836,7 @@ func (p *parser) paramDeclOrNil(name *Name) *Field {
t.Elem = p.typeOrNil()
if t.Elem == nil {
t.Elem = p.badExpr()
p.syntaxError("final argument in variadic function missing type")
p.syntaxError("... is missing type")
}
f.Type = t
return f