Make unittests work in component build

src/compiler/machine-operator.h

Index: src/compiler/machine-operator.h
diff --git a/src/compiler/machine-operator.h b/src/compiler/machine-operator.h
index 56cefc59239828419cfb331e7b09f54b37a41e7f..1cbec994a8afbba97e37eae6e695263fa00de196 100644
--- a/src/compiler/machine-operator.h
+++ b/src/compiler/machine-operator.h
@@ -5,7 +5,9 @@
 #ifndef V8_COMPILER_MACHINE_OPERATOR_H_
 #define V8_COMPILER_MACHINE_OPERATOR_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/base/flags.h"
+#include "src/globals.h"
 #include "src/machine-type.h"
 
 namespace v8 {
@@ -62,12 +64,12 @@ class StoreRepresentation final {
   WriteBarrierKind write_barrier_kind_;
 };
 
-bool operator==(StoreRepresentation, StoreRepresentation);
+V8_EXPORT_PRIVATE bool operator==(StoreRepresentation, StoreRepresentation);
 bool operator!=(StoreRepresentation, StoreRepresentation);
 
 size_t hash_value(StoreRepresentation);
 
-std::ostream& operator<<(std::ostream&, StoreRepresentation);
+V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, StoreRepresentation);
 
 StoreRepresentation const& StoreRepresentationOf(Operator const*);
 
@@ -99,7 +101,8 @@ MachineRepresentation AtomicStoreRepresentationOf(Operator const* op);
 // Interface for building machine-level operators. These operators are
 // machine-level but machine-independent and thus define a language suitable
 // for generating code to run on architectures such as ia32, x64, arm, etc.
-class MachineOperatorBuilder final : public ZoneObject {
+class V8_EXPORT_PRIVATE MachineOperatorBuilder final
+    : public NON_EXPORTED_BASE(ZoneObject) {
  public:
   // Flags that specify which operations are available. This is useful
   // for operations that are unsupported by some back-ends.