Make unittests work in component build

src/compiler/js-intrinsic-lowering.h

Index: src/compiler/js-intrinsic-lowering.h
diff --git a/src/compiler/js-intrinsic-lowering.h b/src/compiler/js-intrinsic-lowering.h
index 6835a52c7e0f8416c493ee32ee9d8007fcf61c93..4abf9e7c3fb35a1f081ac27846d7b088460acedb 100644
--- a/src/compiler/js-intrinsic-lowering.h
+++ b/src/compiler/js-intrinsic-lowering.h
@@ -5,8 +5,10 @@
 #ifndef V8_COMPILER_JS_INTRINSIC_LOWERING_H_
 #define V8_COMPILER_JS_INTRINSIC_LOWERING_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
@@ -25,7 +27,8 @@ class SimplifiedOperatorBuilder;
 
 
 // Lowers certain JS-level runtime calls.
-class JSIntrinsicLowering final : public AdvancedReducer {
+class V8_EXPORT_PRIVATE JSIntrinsicLowering final
+    : public NON_EXPORTED_BASE(AdvancedReducer) {
  public:
   enum DeoptimizationMode { kDeoptimizationEnabled, kDeoptimizationDisabled };