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[dev.typeparams] cmd/compile/internal/types2: set compiler error message for undeclared variable
Change-Id: Ie2950cdc5406915935f114bfd97ef03d965f9069 Reviewed-on: https://go-review.googlesource.com/c/go/+/274616 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Go Bot <gobot@golang.org>
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@ -32,7 +32,11 @@ func (check *Checker) ident(x *operand, e *syntax.Name, def *Named, wantType boo
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if e.Value == "_" {
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check.errorf(e, "cannot use _ as value or type")
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} else {
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check.errorf(e, "undeclared name: %s", e.Value)
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if check.conf.CompilerErrorMessages {
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check.errorf(e, "undefined: %s", e.Value)
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} else {
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check.errorf(e, "undeclared name: %s", e.Value)
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}
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}
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return
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}
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@ -10,8 +10,8 @@ package tparam1
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// The predeclared identifier "any" is only visible as a constraint
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// in a type parameter list.
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var _ any // ERROR "undeclared"
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func _(_ any) // ERROR "undeclared"
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var _ any // ERROR "undefined"
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func _(_ any) // ERROR "undefined"
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type _[_ any /* ok here */ ] struct{}
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const N = 10
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