Make unittests work in component build

src/utils.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_UTILS_H_
 #define V8_UTILS_H_
 
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 904 matching lines @@
   static BailoutId FunctionContext() { return BailoutId(kFunctionContextId); }
   static BailoutId FunctionEntry() { return BailoutId(kFunctionEntryId); }
   static BailoutId Declarations() { return BailoutId(kDeclarationsId); }
   static BailoutId FirstUsable() { return BailoutId(kFirstUsableId); }
   static BailoutId StubEntry() { return BailoutId(kStubEntryId); }
 
   bool IsNone() const { return id_ == kNoneId; }
   bool operator==(const BailoutId& other) const { return id_ == other.id_; }
   bool operator!=(const BailoutId& other) const { return id_ != other.id_; }
   friend size_t hash_value(BailoutId);
-  friend std::ostream& operator<<(std::ostream&, BailoutId);
+  V8_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream&, BailoutId);
 
  private:
   static const int kNoneId = -1;
 
   // Using 0 could disguise errors.
   static const int kScriptContextId = 1;
   static const int kFunctionContextId = 2;
   static const int kFunctionEntryId = 3;
 
   // This AST id identifies the point after the declarations have been visited.
@@ skipping 21 matching lines @@
   static const int kInvalidToken = -1;
 
  private:
   int next_token_ = kFirstBreakContinueToken;
 };
 
 // ----------------------------------------------------------------------------
 // I/O support.
 
 // Our version of printf().
-void PRINTF_FORMAT(1, 2) PrintF(const char* format, ...);
+V8_EXPORT_PRIVATE void PRINTF_FORMAT(1, 2) PrintF(const char* format, ...);
 void PRINTF_FORMAT(2, 3) PrintF(FILE* out, const char* format, ...);
 
 // Prepends the current process ID to the output.
 void PRINTF_FORMAT(1, 2) PrintPID(const char* format, ...);
 
 // Prepends the current process ID and given isolate pointer to the output.
 void PRINTF_FORMAT(2, 3) PrintIsolate(void* isolate, const char* format, ...);
 
 // Safe formatting print. Ensures that str is always null-terminated.
 // Returns the number of chars written, or -1 if output was truncated.
@@ skipping 616 matching lines @@
   byte* dst = reinterpret_cast<byte*>(p);
   for (size_t i = 0; i < sizeof(V); i++) {
     dst[i] = src[sizeof(V) - i - 1];
   }
 #endif  // V8_TARGET_LITTLE_ENDIAN
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_UTILS_H_