PrintIface

cl/_testgo/errors/in.go

@@ -0,0 +1,21 @@
+package main
+
+// New returns an error that formats as the given text.
+// Each call to New returns a distinct error value even if the text is identical.
+func New(text string) error {
+	return &errorString{text}
+}
+
+// errorString is a trivial implementation of error.
+type errorString struct {
+	s string
+}
+
+func (e *errorString) Error() string {
+	return e.s
+}
+
+func main() {
+	err := New("an error")
+	println(err, err.Error())
+}

internal/runtime/z_print.go

@@ -69,3 +69,7 @@ func PrintSlice(s Slice) {
 func PrintEface(e Eface) {
 	print("(", e._type, ",", e.data, ")")
 }
+
+func PrintIface(i Iface) {
+	print("(", i.tab, ",", i.data, ")")
+}

ssa/expr.go

@@ -1080,6 +1080,8 @@ func (b Builder) BuiltinCall(fn string, args ...Expr) (ret Expr) {
 				fn = "PrintString"
 			case vkEface:
 				fn = "PrintEface"
+			case vkIface:
+				fn = "PrintIface"
 			// case vkComplex:
 			// 	fn = "PrintComplex"
 			default:

ssa/interface.go

@@ -127,7 +127,7 @@ func (b Builder) abiNamedOf(t *types.Named) Expr {
 
 func (b Builder) abiPointerOf(t *types.Pointer) Expr {
 	elem := b.abiTypeOf(t.Elem())
-	return b.Call(b.Pkg.rtFunc("Pointer"), elem)
+	return b.Call(b.Pkg.rtFunc("PointerTo"), elem)
 }
 
 // func Struct(pkgPath string, size uintptr, fields []abi.StructField)