go/ssa/interp: skip tests on darwin until crashes are fixed

Updates golang/go#23166

Change-Id: Ie9db70d6f2f8d90817ec3de35e6ca51ec476f949
Reviewed-on: https://go-review.googlesource.com/85995
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/go/ssa/interp/interp_test.go b/go/ssa/interp/interp_test.go
index 2683a28..997922f 100644
--- a/go/ssa/interp/interp_test.go
+++ b/go/ssa/interp/interp_test.go
@@ -13,6 +13,7 @@
 	"go/types"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -155,6 +156,9 @@
 type successPredicate func(exitcode int, output string) error
 
 func run(t *testing.T, dir, input string, success successPredicate) bool {
+	if runtime.GOOS == "darwin" {
+		t.Skip("skipping on darwin until golang.org/issue/23166 is fixed")
+	}
 	fmt.Printf("Input: %s\n", input)
 
 	start := time.Now()