Make unittests work in component build

src/compiler/verifier.h

Index: src/compiler/verifier.h
diff --git a/src/compiler/verifier.h b/src/compiler/verifier.h
index 60849e02386c80ba4643fa5d4b6dc31734ab2872..db0f4538b860b61f91be8f8a9f078a2ff2a4462a 100644
--- a/src/compiler/verifier.h
+++ b/src/compiler/verifier.h
@@ -6,6 +6,7 @@
 #define V8_COMPILER_VERIFIER_H_
 
 #include "src/base/macros.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
@@ -54,7 +55,7 @@ class Verifier {
 };
 
 // Verifies properties of a schedule, such as dominance, phi placement, etc.
-class ScheduleVerifier {
+class V8_EXPORT_PRIVATE ScheduleVerifier {
  public:
   static void Run(Schedule* schedule);
 };