[turbofan] Fix lowering of typed loads/stores.

test/unittests/test-utils.cc

Index: test/unittests/test-utils.cc
diff --git a/test/unittests/test-utils.cc b/test/unittests/test-utils.cc
index e6efef36f985a7dd846647e133874d3519187b13..b2284990c4c3a6b4bc35f20b333474be1f46d221 100644
--- a/test/unittests/test-utils.cc
+++ b/test/unittests/test-utils.cc
@@ -10,6 +10,32 @@
 
 namespace v8 {
 
+std::ostream& operator<<(std::ostream& os, ExternalArrayType type) {
+  switch (type) {
+    case kExternalInt8Array:
+      return os << "ExternalInt8Array";
+    case kExternalUint8Array:
+      return os << "ExternalUint8Array";
+    case kExternalInt16Array:
+      return os << "ExternalInt16Array";
+    case kExternalUint16Array:
+      return os << "ExternalUint16Array";
+    case kExternalInt32Array:
+      return os << "ExternalInt32Array";
+    case kExternalUint32Array:
+      return os << "ExternalUint32Array";
+    case kExternalFloat32Array:
+      return os << "ExternalFloat32Array";
+    case kExternalFloat64Array:
+      return os << "ExternalFloat64Array";
+    case kExternalUint8ClampedArray:
+      return os << "ExternalUint8ClampedArray";
+  }
+  UNREACHABLE();
+  return os;
+}
+
+
 // static
 Isolate* TestWithIsolate::isolate_ = NULL;