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[dev.typeparams] cmd/compile: add CONVIFACE nodes for return values during noder2
Even if we can otherwise transform a return statement because of type params, add CONVIFACE nodes where appropriate. Change-Id: Ia2216d5f6805926075ba6802a4385eee1d63e37e Reviewed-on: https://go-review.googlesource.com/c/go/+/337049 Trust: Dan Scales <danscales@google.com> Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
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@ -128,6 +128,11 @@ func (g *irgen) stmt(stmt syntax.Stmt) ir.Node {
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if e.Type().HasTParam() {
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// Delay transforming the return statement if any of the
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// return values have a type param.
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if !ir.HasNamedResults(ir.CurFunc) {
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// But add CONVIFACE nodes where needed if
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// any of the return values have interface type.
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typecheckaste(ir.ORETURN, nil, false, ir.CurFunc.Type().Results(), n.Results, true)
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}
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n.SetTypecheck(3)
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return n
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}
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